The Science: Social Sciences: Linguistics: Pragmatics: (Discourse Analysis Pragmatics )

Discourse analysis is the study of the acts of discourse, writing, talk, conversation and communication. It includes conversation analysis which is the study of talk in interaction. Discourse Analysis Pragmatics Linguistics Social Sciences Science.

The objects of discourse analysis ( discourse, writing, conversation, communicative event ) are variously defined in terms of coherent sequences of sentences, propositions, speech, or turns-at-talk. (wikipedia)