Line: 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: visual sensation dependent on the reflection or absorption of light from a given surface.

Texture: surface quality of materials, either actual (tactile) or implied (visual).

Shape: 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: three-dimensional volume or the illusion of three dimensions