Lines: 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.

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).

Space: The emptiness or area between, around, above, below, or contained within objects.