The document discusses the purpose and conventions of film openings. Film openings are intended to introduce characters and locations, display credits, and provide insight into the story. Effective openings show identifiable locations, main characters, establish the genre, include director and production company credits, and grab audience attention. Examples are provided of openings from Dawn of the Dead establishing the horror genre, Casino Royale signaling the action adventure genre, and 13 Going on 30 identifying itself as a romantic comedy.