This document discusses conventions that are commonly used in horror films. It describes several scenes: one with writing on a wall in blood, one where a victim opens the door to the killer, and one where the killer is chasing the victim wearing a hooded parka and carrying an axe. It notes that each of these scenes uses elements that are conventional in horror films, such as blood writing to increase fear, revealing the killer at the end of the film, and chase scenes taking place in dark locations. It concludes that horror films are often set in large gloomy buildings to create a sense of isolation and fear.