The document discusses the history and evolution of the horror genre in film. It describes how horror openings typically introduce the storyline and protagonists/antagonists without immediately showing gore. Subgenres like gore films focus more on graphic content. Common movie monsters have included zombies, witches, werewolves and vampires, though more modern films feature unconventional monsters like dolls or clowns. Over the decades, the genre has changed to reflect the fears of each era through the types of monsters featured from Dracula and Frankenstein in the 1930s to aliens in the 1950s. Famous horror films from different decades are also highlighted showing the evolution of the genre from literary adaptations to psychological thrillers to slashers