The document provides an overview of key concepts in pragmatics including explicit vs implicit meaning, presupposition and entailment, Grice's cooperative principles and maxims, implicature, proposed distinctions in meaning and use, and subareas of pragmatics such as speech acts and conversational structure. It discusses Grice's view that implicit meaning involves what is implicated rather than entailed from conventional meaning. Various types of implicatures are also outlined such as scalar, conventional, and conversational implicatures.