“The Fits,” the feature fiction debut of Anna Rose Holmer, is all of 72 minutes long. It rarely leaves the inner-city community center in which most of the action takes place or the side of the 11-year-old girl whose story it tells. Yet as slight as that sounds, the movie is a nearly perfect thing, made with such assurance that every shot holds weight and widens your heart. Indeed, by the final frames, “The Fits” seems to contain the entire world. Almost all of that world is in the face of the film’s lead actress, Royalty Hightower. -The Boston Globe