Source: Image of Ram, Public Domain http://cmolesky.blogspot.com/2012/09/art-element-s... Image of Canvas, Public Domain Image of Jacopo Tintoretto, Public Domain Image of Figure/Ground Example, by Maria Tucker
Consists of two layers. Form in the foreground and space in the background. This allows the viewer to see perceived depth.
Edges of a visual design work. This invariably lays the foundation of the designer's composition.
Surrounds form and any other positive elements.