The document discusses the thriller genre in film and some of its key characteristics and conventions. Thrillers create tension, suspense, and anticipation in audiences. They rely on techniques like sound editing, lighting, and camera work to build tension and mystery. Alfred Hitchcock was a famous director known for his suspenseful and psychological thrillers that used innovative techniques to manipulate audiences' emotions. The 1960 film Psycho is analyzed as an example of Hitchcock's thriller style, with its use of lighting, shadows, and music to build suspense and hide crucial details from viewers.