Separating elements (or shapes) in a composition allow the viewer to identify the subjects and their relationships to each other clearly. For example, in the image below by Constantine Manos notice how all the figures in the design are easily detectable due to the negative space in between each figure and element. There aren't any confusing overlaps, and you can determine the gender of the figures despite the fact that most of them are only shadows.
Why Design Is Not Intuitive (Click Below for a Demo Video)
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