A line defines shape with more or less continuous mark. Saint Luke Displaying a Painting of the Virgin, 1952-53. Color has several attributes, hue, value, and intensity. The Annunciation represents a dark value due to all the dark colors that are in the painting. Spatial qualities is mass, volume, and space.
Composition is organization or arrangement of form in a work of art.
James Hampton's Throne of the Third Heaven of the Nation's Millennium General Assembly is a good example. The sculptor carved the details in the wax. Rods and a pouring cup made of wax were attached to the model. A thin layer of fine, damp sand was pressed very firmly into the surface of the wax model, and then model, rods, and cup were encased in thick layers of clay. When the clay was completely dry, the mold was heated to melt out the wax.