Any means of communication through bodily movements, especially of the hands and arms, rather than through speech. It has long been used by speakers of mutually unintelligible languages for example, various Plains Indian tribes in 19th-century North America communicated via a sign language and is widely used for communication by the deaf. Charles-Michel, abbé de l'Épée (1712 – 89), developed the first sign language for the deaf in the mid-18th century; his system developed into French Sign Language (FSL), still used in France.
Transported to the U.S. in 1816 by Thomas Gallaudet (1787 – 1851), it evolved into American Sign Language (ASL, or Ameslan), now used by more than half a million people. These and other national sign languages generally express concepts rather than elements of words and thus have more in common with each other than with their countries' spoken languages. Get more reading on advantage of sign language
American sign language is the language of the deaf community in America and English speaking countries around North America. American sign language was influenced so much by the sprouting of the European sign languages in the 17th century. A that time, Italy and France had developed their own sign languages. The language has evolved over the years and is fitted with its own vocabulary and grammar. It has contributed to other sign languages of the world.
The language is very popular and and in fact, it is the third most used language in the U.S. It has contributed to integration and reduced barriers that might have otherwise been very large. Also, by having a need to communicate with animals, humans continue to device forms of communication; This has been inspired largely by sign language.
American sign language has also encouraged the communication with infants because, before children can speak, they speak. Not in a way that we can always understand but, by signs and body language. Encouraging a child to use this language can enhance their intellect and prepare them gradually for speech.
Children who learn to express themselves this way are at an advantage compared to their counterparts who will be much slower. Sign language has further inspired contemporary art characterized with body movement that can entertain people. The thoughtful and deep moves manages to impress and provoke the emotions of the audience making the experience a wholesome one.
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