The document discusses the genre of horror films. Horror aims to provoke negative emotions and primal fears in viewers by depicting macabre or supernatural scenes. Producers develop ideas by exploring audiences' nightmares and fears of evil forces intruding on everyday life. Some common horror subgenres mentioned include slasher, zombie, psychological horror and more. Saw V is analyzed as an effective horror film through its use of low lighting, masks, and soundtracks to build suspense and play on viewers' fears.