The possession of language, more than any other characteristic,distinguishes human From animal.Human life and society
cannot be imagined without language.we use language everyday and we are very familar with it . but what is Language?
As we will see, the answer to this question is quite complicated. But first we can begin with some definitions.the following are
some attempts to define what language is.they were written by linguists,who are people who study language scientifically.