Acceleration

Achromatic

Additive Color

Analagous Colors

Apparent Texture

Asymmetry

Atmospheric Perspective

Axis

Balance

Brightness

Change (time)

Closure

Color

Color Temperature

Color Wheel

Common Fate

Complementary Colors

Compressive Force: Compression, Density, Elastic, Expansion, Rigid

Computational Theory of Perception: blob, edge, vertex, recognition

Continuity (Gestalt)

Continuity/Discontinuity

Cool Color

Curvilinear

Depth

Depth Cues

Descriptors

Direction

Dynamic

Energetic Force: Entropy, Friction, Light, Potential Energy

Expressive Color

Figure/Ground

Figure/Ground Ambiguity

Figure/Ground Reversal

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Focal Point

Force

Form

Geometric

Gestalt

Gradient

Gravitational Force: Balance, Gravity, Mass, Weight

Growth

Halo Effect

Height

Horizon Line

HSB (Hue, Saturation, Brightness)

Hue

Known Size or Scale

Light

Line

Linear Perspective

Local Color

Momentum

Monochrome

Motion

Motion Parallax / Kinetic Depth

Organic

Orientation

Overlap

Pattern

Physical Texture

Pixel

Plane

Point

Position

Potential Energy: Chemical, Elastic, Electrical, Gravitational, Thermal

Primary Colors

Progression

Proportion

Proximity

Rectilinear

Reflectivity

Relative Size Relationship

Repetition

Resolution: PPI/DPI

Retinal Disparity

Rhythm

Saturation

Secondary Colors

Shadows/Shading

Shape

Similarity

Simultaneous Contrast

Size or Scale

Speed

Spreading Effect

Stasis

Static

Subtractive Color

Symmetry

Tangent

Tensile Force: Equilibrium, Release, Stress, Tension, Torsion

Texture

Unity

Vanishing Point

Velocity

Visual Field

Volume

Warm Color

Width