THE LAW OF PRÄGNANZ, OR SIMPLICITY

we perceive simpler forms before complex ones

CLOSURE

we fill in the blanks

SYMMETRY

we enjoy order and are intrigued by disorder (if it's orderly)

FIGURE/GROUND

we instinctively separate a figure from its background

UNIFORM CONNECTEDNESS

we respond strongly to overt visual connections

COMMON REGION

we perceive things in containers as related

PROXIMITY

we perceive things that are close together as related

CONTINUATION

we find, follow, and extend paths

COMMON FATE

we perceive items moving in the same direction as related

PARALLELISM

we experience parallel lines as related

SIMILARITY

we pick up on and associate similar elements

FOCUS

POINTS

we're drawn to contrast