Study of the language used by an individual in course of his personal, family, business or official correspondence in the form of noting in the files, typed matter in documents, dictations for data entry, mails sent, chat messages between the associated persons, all of which invariably contain the characteristics of one’s own linguistic patterns in terms of vocabulary, grammar, punctuation, sentence formation, paraphrasing, use of idioms, emoji’s, emoticons, accent phrases and other atypical features that distinguishes one from others and all of this are required in fixing the authorship of a writer, author or literary writer or documents or authorship of anonymous letters or routine communications, legal documents, literary writings, email or text communications, scripts, etc., all with an objective of linking the suspect / author with that of the available data from all the sources.
