The JSL (Japanese Sign Language) is the sign language japaneseused by in the deaf community-in the japanese as the primary means of communication. The JSL is a natural language, with the grammar, syntax and vocabulary, and is used for to express concepts and ideas through the combination of gestures, facial expressions, and body movements. The JSL has a long history and a rich culture, but only in recent decades has been officially recognised as a separate language and independent of the language spoken japanese.