Volume – amount of space an object occupies
Weight – visual or physical heaviness to an object
Gravity - force that tends to pull all bodies toward the center of the Earth
Presence – attendance or company
Absence - lack; deficiency
Primary Contours – defining edges of a physical object, such as the extremities of a carved sculpture.
Secondary Contours – inner edge of a physical object, such as the internal design and detailing of a carved sculpture.
Mass - solid three dimensional form