This document defines and describes several major film genres including action, adventure, comedy, crime/gangster, drama, epics/historical, horror, musical/dance, science fiction, war, and western films. It notes common elements and storylines for each genre, as well as some subgenres within each category. The genres are action-packed stories, lighthearted comedies, serious dramas, historical period pieces, frightening horror films, music-centered musicals, futuristic science fiction, war-focused military tales, and American frontier-set westerns.