The document discusses several common conventions in slasher films. It describes the trope of the "final girl", who is typically the last survivor and is portrayed as pure in contrast to her promiscuous friends who are killed. It also discusses the antagonist monster/killer who is often concealed and portrayed as inhumanly strong. Other common tropes mentioned are the group of attractive friends who are punished for their vices, isolated locations like woods and abandoned buildings that feel close to home, and a benefactor character who guides the final girl. The document also discusses how German Expressionism and Film Noir influenced horror filmmaking through their use of lighting, shadows, and sense of paranoia.