In this Posts video you can learn more about Graphic Design Theory.
0:00 Intro
0:36 Visual Perception
2:32 Gestalt Principles
4:00 Emergence
4:56 Simplicity
6:09 Figure-Ground
6:40 Similarity / Common Fate
7:17 Closure / Symmetry
7:53 Continuity
8:27 Proximity