Lines and curves are marks that span a distance between two points (or the part of a moving point).
shape is a two dimentional area that is defined by a change in value or some other form of contrast.
form of a work is its shape, including its volume.
value defined as the relative lightness or darkness of a color.
color is the element of art that is produced light, striking, an object, is reflected back to the eye.
texture is used to describe either the way a works actually feels when touched.
space is an area that an artists provides for a particular purpose . includes the background, foreground, and middle ground.