Following Part 1, 2 and 3, we analyzed urban modality based on the theory of “frame,” a system of memory and expectation in this paper. We first showed a basic model of frame and introduced theories of many disciplines. After that, we developed the model through the analysis of 6,833 expressions written by subjects of walkthrough experiment. For example, frame is well understood by dividing it to short-term frame and long-term frame, and should be analyzed in a relationship with space because we humans in real space.
