Answer:
Movement in art decides how the viewer will perceive an artwork. It is the path our eyes follow or the pattern our eyes go after when we look at an art work. In art, it's extremely important to keep a viewer’s eyes engrossed in the work, and the way an artist does that is by adding movement. Without any movement, artwork is stagnant and people don't really like looking at art that looks or feel boring to them, no matter how valuable it is. If our eyes see movement happening in an art work, they are more likely to enjoy the art as they are now following a pattern or path to explore the contents of the artwork.
Gustav Klimt used red, black and yellow quite often, which gave these paintings a rather Byzantine look. These colors were used in ancient Greece a lot, because that was what was available to them, and the Byzantine Empire was the eastern half of Greece that remained after it fell. Temporarily at least...
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