This document summarizes several subgenres of horror films, including supernatural, slasher, psychological, possession, and zombie films. It provides examples for each subgenre, such as The Conjuring for supernatural horror and Scream for slasher films. The document also discusses conventions for each subgenre, like the use of children as victims in supernatural films or the "final girl" character in slashers. Finally, it states that the author's chosen subgenre for a film project is psychological horror, as they find these films most interesting and able to grip audiences through fear and tricks.