This document provides an overview of discourse analysis and related concepts. It defines discourse as language above the sentence level, including spoken language larger than a sentence. It describes structural and functional approaches to analyzing discourse, including examining constituents and their relationships or focusing on language functions. The document also discusses speech act theory, pragmatics, and key concepts like implicature, conversational maxims, and how language is used to perform actions. Discourse analysis examines language use as a social practice shaped by and having implications for social structures.