The document discusses common tropes and techniques used in horror films. It notes that horror films often begin with characters going about a normal day that is disrupted by some evil force causing trouble. It also mentions the use of isolated settings like abandoned buildings that help create tension. Specific techniques discussed include using startling musical stings to emphasize scary moments and employing point-of-view camera shots to make the audience feel like they are experiencing the horror directly. The document also examines visual symbols and the distinction between good and evil elements as important aspects of horror film iconography.