The document discusses the thriller genre in film and literature. It defines thrillers as works that elicit feelings of suspense, excitement, and anxiety in viewers. Thrillers aim to keep audiences alert by placing protagonists in dangerous situations involving mysteries, missions, or escapes. Over time, the thriller genre has incorporated elements from horror films through increased violence and gore. Key directors like Alfred Hitchcock and conventions like isolated settings, mysteries, and hidden narrative details are commonly used to build tension and suspense in thriller works.