This document provides instructions for writing a definition essay. It explains that a definition essay clarifies the meaning of a word, term, or concept for the reader. It recommends defining a topic through its denotations and connotations, popular and personal interpretations, or characteristics and functions. The essay should introduce the topic, provide a thesis with three aspects to define, and then use body paragraphs to define each aspect with a topic sentence, details, and closing remarks before concluding by wrapping up the main points.