This document defines analytical exposition as a text that elaborates on a writer's idea about a phenomenon and aims to persuade readers that the topic is important by developing arguments to support the main idea. It explains that an analytical exposition contains an introduction stating the topic and viewpoint, arguments supporting the position with evidence, and a reiteration of the viewpoint. The document also outlines common language features of analytical expositions such as using simple present tense, conjunctions, focusing on participants and abstract nouns, and including relational processes, modals, adverbs, and passive sentences.