Elements-Shape

=Elements of Art - Shape / Form= Shape Definition - an enclosed space defined by art elements like color and value. Shapes are 2D (2 dimensional).

Geometric Shapes Organic Shapes

Explore Shape at The Artists Toolkit - once there click Find to see additional examples.

Shape defined at About.com

Form Definition - a 3 dimensional figure that encloses volume. It has height, width and length.

Form defined at about.com