Art House Online prohibited — art film, independent film, auteur films, experimental films, art house cinemas, american art film, mainstream film, realism film, violent films, controversial film, short film: By the way, what distinguishes a short film from a clip? In films, the theme / guiding idea is still in the first place, which is important for the director. The video focuses on the track, composition, music and lyrics, while the video is just decoration.