This document outlines common codes and conventions found in horror movies. It notes that horror movies often feature isolated settings to create mystery, and use tropes like blood, screams, death, darkness and evil. It also discusses how children are frequently portrayed as victims due to their perceived vulnerability, and how men are often shown as brave discoverers and women as vulnerable victims. Finally, it mentions the common convention of ghosts in horror films being depicted as women in long white dresses with long black hair.