This document discusses discourse analysis and speech act theory. It introduces the Organon model of communication which includes a sender, receiver, objects, sign, symbol, and signal. Speech act theory views language as a form of action, where utterances are used to perform speech acts like apologies, complaints, promises, or requests. A speech act consists of the locution (what is said), illocution (intention), and perlocution (reaction). Illocutionary force indicating devices like stress, intonation, and word order provide insights into the intended illocution of an utterance.