N'Asụsụ ndị ogbi, okwu bụ ọnọdụ ahụ pụrụ iche na ihu ihu nke na-eso akara aka, nke dị mkpa iji mepụta okwu n'ụzọ kwesịrị ekwesị. Nkwupụta bụ otu n'ime ihe ise dị na akara, tinyere SIG_language)" id="mwBw" rel="mw:WikiLink" title="Handshape (sign language)">ọdịdị aka (DEZ), ORI_(sign_language)" id="mwCQ" rel="mw:WikiLink" title="Orientation (sign language)">ntụziaka (ORI), ebe (TAB), na mmegharị (SIG). Akụkụ dị mkpa nke nkwupụta bụ ọnụ. Otú ọ dị, ọ bụghị ihe ịrịba ama niile nwere ngosipụta sitere n'okike. [citation needed]
Portuguese na mpaghara ahụ. N'afọ 2008, a nabatara Senegal, n'ihi njikọ akụkọ ihe mere eme ya na ọchịchị Portuguese na Casamance, dị ka onye na-ahụ maka mmekọrịta na CPLP (Community of Portuguese Language CountriesÀtụ:Sign language navigation