<span>Katsushika
hokusai, in his woodcut “the great wave off shore at kanagawa,”
simplified and ordered the visual elements in the work to create </span>compositional unity
It is one of the basic principles of art to achieve this and it differs from the subject insofar that it doesn't deal with the main theme of the work of art.
The materials that were used to construct the pyramid by I.M. Pei was steel and glass. I'm sorry if it wasnt much help but that's all I could find on it.