A horror film is a genre of cinema that focuses on creating fear, dread and terror in the audience through various techniques such as suspense, chills, scares or shocks. These films often feature supernatural elements, psychological thriller themes, or violent events that evoke strong emotional reactions from viewers. The main goal of a horror film is to entertain by creating an atmosphere of fear and tension through storytelling, cinematography, sound design, special effects, and other visual techniques. Some common sub-genres within the horror category include slasher films, psychological thrillers, ghost stories, demonic possession tales, and zombie apocalypse movies.