Modern ideas of language can be deducted by examining certain most influential definitions of language. Here are five accounts of language given by some eminent twentieth century linguists:

• “Language is a purely human and non-instinctive method of communicating ideas, emotions and desire by means of a system of voluntarily produced symbols.” – E. Sapir: Language.

• “Language is the expression of ideas by means of speech sounds combined into words” – Henry Sweet

• “A language is a system of arbitrary vocal symbol, by means of which a social groups co-operates” – Bloch and Trager : Outline of Linguistic Analysis.

• “The totality of the utterances that can be made in a speech community is the language of that speech community.” – Bloom-field-Language

• “Human languages e unlimited…an unlimited set of discrete signals…have great structural complexity….structure on at least two