Line: A point moving in space. Line can vary in width, length, curvature, color, or direction.
Value: Lightness or darkness of a hue or neutral color. A value scale shows the range of values from black to white.
Color: The visual sensation dependent on the reflection or absorption of light from a given surface.
Texture: The surface quality of materials, either actual (tactile) or implied (visual).
Shape: A two-dimensional area or plane that may be open or closed, free-form or geometric. It can be found in nature or is made by humans.
Form: A three-dimensional volume or the illusion of three dimensions
Space: The emptiness or area between, around, above, below, or contained within objects.