The document discusses the purpose and history of the horror genre. It aims to create a sense of fear through portrayals of audiences' worst fears. Horror films often include mythical creatures and incorporate violence. The document then outlines the evolution of the genre from 1896-present, including early experimentation, iconic films that established tropes, and the emergence of subgenres like psychological horror, slasher films, and comedy horror. It analyzes conventions for plot, characters, cinematography, lighting, editing and provides examples of films that exemplify these conventions.