C.A. talks about centers -- edges are one of the aspects that help create centers, but there are many others. Repetition is one of the tools that help emphasiz

C.A. talks about centers -- edges are one of the aspects that help create centers, but there are many others. Repetition is one of the tools that help emphasize and create centers. Look at the building in the first photo in the article -- how much repetition there is in terms of shapes, architectural "molecules".