This document discusses the codes and conventions of different film genres including crime films, disaster films, and horror films. For crime films, typical elements include chases, weapons, revelations about the villain, partnerships between heroes, and betrayals. Disaster films commonly feature heroic characters attempting to prevent or survive natural or man-made catastrophes through special effects-heavy stories. Horror films aim to scare audiences with weapons, dark settings, invincible killers, unsettling sounds, and costumes that conceal identities.