The document summarizes some common codes and conventions of slasher films. It notes that slasher films typically feature a masked monster villain who kills a group of teens one by one, with the "final girl" often being the only survivor. Common tropes discussed include the sexually active girl being the first killed, the final girl portrayed as pure and sensible, and ineffective authority figures unable to stop the monster. Typical locations include isolated houses or woods to make victims feel they cannot escape. The document also discusses influences from German expressionism like psychological landscapes and film noir conventions like low-key lighting.