What is the sign language ?



This language is to use specific references to contact persons who lose their hearing (deaf) and the language used in many countries of the world, although there were some differences from country to country and are working to remove any obstacles, especially the language of dialogue as it is enjoyable for both the person with the ability to hearing or the right person.



The first of course is organized and codified is the father (dublay), which signaling systems used by the deaf and below in the lexicon of a small, and the language is the primary language in schools, which was supervised by, among those who participated in the dissemination of this language (Galudi), who traveled in 1817 to America and founded a school for the education of the deaf bear his name to the day after it has evolved, that today is the first university in the world to take care of higher education for the deaf and research and studies and is chaired by the Dean of the deaf, the deaf and is a high proportion of teachers, and adopt the language First-class reference.



The sign language, however, one or Biden played expression in different places of the body or by reference to the speaker, including expressions of movement, and specifically the spatial, and the form of hand and to define the direction and a wide range of signals so-called non-manual and five of these manifestations of sign language, speaking at the same time, not in sequence chain, such as the exit of the vote in the spoken language. The language of the signal, not just the movement condemns the production but also contribute to the direction of an eye and the movement of the body and shoulders, mouth and face. These are often non-manual signals are the most critical feature in determining the meaning and the sentence structure and function of the floor.



Here, we must realize that the sign language, produced through visual and mobility rather than through means such as language and verbal audio regular.