the same figure and forms part of an invisible 
ground.

The outline of the one is always the outline of the 
other. Because of the shared outline, figure and 
ground create and define each other. All 
structural relationships have this feature; the 
parts are reciprocal.

One sure way to perceive the structure of any 
situation easily is to reverse its figure/ground 
relationship.

Sight is usually figure to all the other senses as