This document provides guidance on writing an expository essay for MACS 101 - Intro to Media Studies. It discusses the key components of an effective expository essay such as a clear thesis statement, well-developed topic sentences, relevant evidence and analysis in each body paragraph, effective transitions, and a conclusion that restates the main points without introducing new information. The document also provides a rubric for grading the final essay assignment, which asks students to write about a cultural object's relevance for understanding media using concepts from the course vocabulary.