There are countless examples of short dramatic movies. And, of course, there are countless examples of short stories. One characteristic that distinguishes them is the movies are invariably group projects and the short stories are almost always solo creations. Creating solo has some substantial artistic advantages: it allows one sensibility — one consciousness — to define the artwork. By necessity, dramatic films are a collection of consciousnesses.
The authorial moviestory takes the energy of filmmaking but keeps the artistic purity of short story writing, since I an authorial movie all elements, including text, narration, artwork, and music are done by one person. This is a new art form.