This document discusses several common horror movie subgenres and their conventions. It provides descriptions of supernatural, slasher, possession, psychological, and gothic horror genres. Key conventions listed for each include common locations, characters, themes, and story elements. The document then explains that the group chose to focus their promotional package on psychological horror because it provides more creative freedom compared to other subgenres with stricter conventions. They believe this will allow them to develop a fresh, original story that could become a cinematic classic.