winfred lehman .Quoted above,goes on to write further that language is a divice for transmitting meaning through sound. Language is a system of arbitrary oral symbols through which a social group interacts. Sounds are called arbitrary because they have no inherent meaning. The sounds in the English word d o g refer to a certain animal. But the german word Hund, the Japanese word inu, and the Thai word mama also refer to the same animal. This is way we say that the sound symbols use in language to refer to things are arbitrary
The man purpose of language is to communicate and to form bounds between the member of a social group. Language allows people to say thing to each other and to express their needs and desires.There are approximately five thousand language used in the world and they are mutually unintelligible:this means speakers of one language as a foreign or second language. But all the human language of the world several characteristics in common