
Line-
The linear marks made with a pen or brush or the edge created when two shapes meet
Shape-a self contained defined area of geometric or organic form.

Direction-
All lines have direction - Horizontal, Vertical or Oblique. Horizontal suggests calmness, stability and tranquillity. Vertical gives a feeling of balance, formality and alertness. Oblique suggests movement and action
Size-the relationship of the area occupied by one shape to that of another.
Texture-the surface quality of a shape - rough, smooth, soft hard glossy etc.Color-Also called Hue
Value- the lightness or darkness of a colour.Balance-state of equilibrium or equipoise
Gradation-process of change taking place through a series of stages ,by degree , or in gradual manner
Repetition-the act of repeating
Contrast-to compare in order to show unlikeness or difference
Harmony-relations of colour
Dominance-condition of being dominant
Unity-the state of being one