This document discusses four main types of writing: expository, narrative, argumentative, and informative. Expository writing aims to explain, inform, or describe through examples like reports, textbooks, and encyclopedia articles. Narrative writing tells a story or event through genres like memoirs, fiction, and oral histories. Argumentative writing proves an idea or point of view through persuasion and sound reasoning in formats like editorials, job applications, and letters. Informative writing conveys information accurately by summarizing or providing instructions.