COMPOSITION
FREQUENCY
GESTALT
GESTALT SIMILARITY
Similar to the Von Restorff effect blah blah blah
GESTALT CONTINUATION
GESTALT CLOSURE
GESTALT ENCLOSURE
GESTALT FIGURE/GROUND
GESTALT PROXIMITY
SUBFRAMING
CONCENTRIC SUBFRAMING
LEADING LINES
CIRCULAR INFINITE LEADING LINES
HELPFUL LINKS
http://www.the-art-of-composition.com/circular-composition.html