The users of sign language you can use the sign language to communicate with other people who know the language, both a personal and professional level. The sign language users can come from different cultures and backgrounds, but share a common language and a set of values and cultural norms that characterize the deaf community. Users of sign language may also be activists and advocates of the rights of deaf people, promoting equality, inclusion and affirmation of the culture of the deaf and the language of signs in society.