It is the primary means of interpersonal communication for the deaf. The sign language system includes two types of speech: Imitator and conversation. Imitated sign language is equivalent to spoken language. In imitative sign language phrases, The order of the signs corresponds to the syntax of the Russian language. Conversational sign language is a unique language system, It is distinguished by its distinctive vocabulary and grammar. In short, it is a visual language expressed by the physical movements of the hands and face rather than by spoken words.