This document discusses several major subgenres of horror films, including slasher, psychological, supernatural, possession, gothic, monster, and zombie films. It provides characteristics and conventions for each subgenre, such as common plot elements, settings, characters, and themes. Examples are given for well-known films that exemplify each subgenre, such as Friday the 13th for slasher, The Shining for psychological, Poltergeist for supernatural, The Exorcist for possession, Dracula for gothic, Godzilla for monster, and Zombie for zombie films.