The document analyzes how the Halloween movie trailer adheres to the codes and conventions of the slasher horror sub-genre. It discusses how the trailer uses establishing shots, camera angles, sound, settings, weapons, and characters archetypes common to the genre. Specifically, it shows a tense scene of a house at night with shadowy trees and piano music. It then reveals the killer as a young disturbed boy who grows up to be a psychotic murderer. Finally, it depicts the killer chasing the "final girl" as tension-building music plays, showing the conventions of shot-reverse-shot and a neighbor unable to hear her calls for help.