A kind of film is a FEATURE, which is a full-length movie with a plot and characters. A CULT film is a movie that has gained a devoted following over time, often for its campy or offbeat qualities. A STAG film is an old-fashioned term for a pornographic movie. Sci-fi films are movies that explore the possibilities of science and technology, often in a futuristic setting. HORROR films are designed to frighten and shock viewers with their suspenseful plots and gory special effects. SILENT films are movies without dialogue or sound effects, relying instead on visual storytelling.