This document lists common conventions, characters, plots, locations, issues, and props that are often seen in horror films. It notes that horror films frequently feature stock characters like innocent children, couples, or families; and stock plots involving evil creatures killing people, warnings being ignored, or a serial killer stalking victims. Common issues addressed are good versus evil, revenge, religion, and mental illness. Typical horror film locations listed include isolated forests, cabins, churches, and abandoned buildings. Props like candles, masks, weapons, and corpses are also regularly featured.