This document analyzes common conventions and tropes found in different movie genres including horror, superhero, and war films. For horror movies, it lists things like knives/axes, blood, abandoned houses, intense music, and creepy children. For superhero movies it mentions heroes, villains, destruction in cities, fight scenes, and costumes. War movies conventions include guns, explosions, soldiers, dramatic monologues, and showing the tragic consequences and sacrifices of war.