Here is a link to the definitive explanation of the Dramatica theory (in PDF) from 1993, that explains all of the key concepts in text and graphics, including descriptions of non-story uses of the psychological model and the functioning of the model in terms of the dramatic circuit created by Potential, Resistance, Current, and Power (Outcome) and its relationship to the prediction of temporal story progression in terms of a quad-based 1 2 3 4 sequence.