This document discusses common characteristics and conventions of horror movie genres. It outlines that horror films aim to elicit emotions of fright and terror through unsettling themes involving threats like serial killers. Key characteristics include establishing an eerie atmosphere with dark scenes and strange props, incorporating startling sound effects and musical scores, including graphic violent or gory scenes, and featuring supernatural or evil antagonists that victims must overcome. Common expectations are violence, dark imagery, mysteries, cliffhangers, and a climactic ending, along with stereotypical character archetypes.