a closed area bounded by lines. When a line crosses itself or intersects with other linesto enclose a space it creates a shape. Shape is two-dimensional; it has height andwidth but no depth
Form
a two-dimensional shape becomes three-dimensional it is no longer called a shape but a form. Shading a circle (2-D) can turn it into a sphere (3-D)
Value
color
the range of lightness and darkness within a picture. Value is created by a light source that shines on an object creating highlights and shadows.
the property of objects that, depending on the light they reflect, is perceived as red,blue, yellow or other hues.
Texture
surface quality. It is the degree of roughness or smoothness in objects.
Space
an illusion created in a 2-dimensional work of art. Lines and shapes are organized to help a viewer see depth.