Their analysis and evaluation is based on a different set of principles for understanding plot and character. But writers facing the blank page need a far more precise set of story tools to create compelling characters and tight plots. Here are some of the hallmarks of the training necessary to write professionally. Professional writers are not members of some mysterious priesthood. They are masters of a craft, which, though complex, can be learned.
Professional writers use techniques that are fundamentally different than other writers use.
Story structure on the professional level doesn't involve a simplistic three-part structure. A professional script almost always involves a journey of learning by the main character. This journey covers a number of steps, and includes numerous false starts. To express this complex journey, professional story training doesn't involve imposing some false set of false plot points from the outside. Instead professionals always make sure that the character drives the plot.