Linguistic science can broadly speaking of defined as a branch of knowledge consisting of scientific study of language. Linguistics is the study of language. Linguistics, therefore, is the science that describes the units and patterns of the sound system, the words and morphemes, and the phrases and sentences, that is the structure of language, as completely, accurately and economically as possible. The field of linguistics comprises understanding of the place of language in human life, the ways in which it is organized to fulfill the needs it serves, and the functions it performs.