Communication is the planned replace of data brought regarding by the making and awareness of symbols warn from a collective method of traditional symbols. What groups’ persons separately from a distinct animal is the difficult method of prearranged communication called language that allows us to spread most of what we aware regarding the universe.

Keywords: Communication – Communication as Action – Formal Grammar for a Fragment of English – Syntactic Analysis – Augmented Grammars – Semantic Interpretation – Ambiguity and Disambiguation – Discourse Understanding – Grammar Induction – Probabilistic Language Processing – Probabilistic Language Models – Information Retrieval – Information Extraction – Machine Translation