The document discusses the common codes and conventions of slasher films. It summarizes that slasher films typically involve a psychotic masked killer stalking and murdering a group of teenagers. The killer is often linked to some past trauma and targets victims related to their past. Key conventions include the killer being masked, seemingly indestructible, and using weapons like machetes. Character archetypes include the "final girl" who defeats the killer, and stereotypical characters like jocks and nerds that are often victims. Settings commonly include schools, camps, and isolated houses in the woods.