Expository writing, also known as informative writing, is a form of discourse used to explain, describe, or inform. It is often used in academic writing, journalism, and technical writing, and can take the form of essays, research papers, articles, or reports. Other synonyms for expository writing include explanatory writing, elucidative writing, and clarificatory writing. The purpose of expository writing is to present information in a clear and concise manner, often with the goal of educating or persuading the reader. It requires strong structure and organization, as well as the use of evidence and examples to support the main points.