This document defines genre as a category of literary works, dividing genres into fiction and nonfiction. It provides examples of fiction genres such as adventure, mystery, fantasy, thriller, and science fiction, describing adventure as dominated by action and risk, fantasy as including unrealistic elements like magic, mystery as centered around a crime or puzzle, thriller as involving suspense and danger set in modern times, science fiction as set in the future or space, and horror as revolving around suspense and emphasizing danger. The document encourages testing one's understanding of genres.