Line: can be used to create more complex shapes or to lead your eye from one area in the composition to another.
Value: the light and dark's in a design as well as the the contrast between these colors and all the tones in between. It can also be used with color.
Shape: created when lines are combined to form square, triangles, circles, or other shapes. It can be an organic or geometric shape.
Form: a three-dimensional shape with length, width and depth.
Space: the area between and around objects. Increasing or decreasing this space affects the way in object is viewed.
Color: it differentiates and defines, even black/white have a huge number of different shades.
Texture: is the surface quality. It can be rough, smooth, soft, or hard.
The Design Elements
Balance: when textures, colors, forms, or shapes are combined harmoniously, balance is created.
Contrast: when the elements of design create visual tension or show elements that are quite different.
Movement: is the way the viewer's eye is directed through the composition. It can be directed by lines, contrasting shapes, or colors.
Emphasis: is created in a composition where the artist contrasts colors, textures, or shapes. It can also be the focus of the artwork.
Pattern: is the repetition of a shape, form, or texture.
Rhythm: is the repetition of a pattern to create the expectation that'll continue.
Proportion and Scale: is created when the sizes of elements in a work are combined harmoniously, the increase or decrease of the size of an element in the art can change perceptions.
Unity and Harmony: is the other end of the spectrum from contrast. It is when everything goes together to create a sense of unity. Some artists choose to avoid unity to create feelings of tension and anxiety.