This refers to the material or materials from which a work of art is made. Literally anything can be used to make a work of art.
Medium
Stylistic traits associated with an individual artist.
Personal Style
Partially covered elements are meant to be seen as located behind those covering them.
Overlapping
Stylistic traits that persist in a geographic region.
Regional Style
It's what we think of when we hear the word color; the terms are interchangeable. We perceive it as a result of differing wavelengths of electromagnetic energy.
Hue
A medium that involves the rendering of optical images through a recording of light effects.
Photography
A style in which artists use lines as the primary means of definition.
Linear Style
Objects in the far distance have less clarity than nearer objects.
Atmospheric Perspective
Refers to the common traits of works of art and architecture from a particular historical era.
Period Style
The relative degree of lightness or darkness of a given color and is created by the amount of light reflected from an object’s surface.
Value
This can be either free-standing or made as a relief. May involve the carving into the surface of a larger whole.
Sculpture
A term used for works of art that do not aim to mimic lifelike appearances.
Nonrepresentational / Abstract Style
Uses mathematical formulas to construct images in which all of its elements converge in one or more vanishing points on a horizon line.
Linear Perspective
A style of representation in which vigorous, evident brushstrokes dominate, and outlines, shadows, and highlights are brushed in freely.
Painterly Style
Sometimes referred to as intensity, it's a color’s quality of brightness or dullness.
Saturation
This creates enclosures for human activity or habitation. It is three-dimensional, highly spatial, functional, and closely bound with developments in technology and materials.
Architecture
Striving to create images of physical perfection according to the prevailing values or tastes of a culture.
Idealization
Successively smaller elements are perceived as being progressively farther away than the larger ones.
Diminution
When an artist attempts to represent the observable world in a manner that appears to describe its visual appearance accurately.
Realism / Naturalism
It's the tactile (or touch-perceived) quality of a surface. It can be actual, or implied.
Texture
Art that involves the application of lines and strokes to a two-dimensional surface or support, most often paper.
Graphic Arts
A highly detailed style that seeks to create a convincing illusion of physical reality by describing its visual appearance meticulously.
Illusionism
Where forms widen slightly, and imaginary lines diverge as they recede in space.
Divergent Perspective
A style in which the artist exaggerates aspects of form to draw out the beholder’s subjective response or to project the artist’s own subjective feelings.
Expressionism
It's what contains forms. It may be actual and three-dimensional, or it may be fictional, represented illusionistically in two dimensions.
Space