The document analyzes genre conventions used in the opening sequence of the film Harry Potter. It discusses how the opening establishes the setting of Privet Drive through a sign with an owl at night, creating mystery and tension. Subsequent shots of the owl flying and a character holding a prop object engage the audience and imply that action is about to begin. Conventions like the nighttime setting, use of props, and introduction of the hero Dumbledore support the action adventure genre and keep the audience intrigued about what will happen next.