While a form has depth, a shape has only length and width. The element of art that deals with the relative amount of light or dark. Value depends on the amount of light a surface reflects. Value is also one of the three properties of color. The element of art that describes how things feel or look as they might feel on the surface.
Texture is perceived by touch and sight.
For instance, objects can have rough or smooth textures and matte or shiny surfaces. This element is sometimes interchanged with pattern. The element of art referring to the emptiness or area between, around, above, below or within objects. Shapes and forms are defined by space around and within them. The element of art derived from reflected light.