Elements:
Line: The mark made with a pen/brush or the edge formed when two shapes meet.
Shape: A defined area of geometric form.
Direction: The direction of a line - Horizontal, Vertical or Oblique.
Size: The amount of space that is occupied by a shape.
Texture: The surface quality of a shape - smooth, rough, soft, hard etc...
Colour: The visual colour of a shape.
Value: The darkness or lightness of a colour.
Line: The mark made with a pen/brush or the edge formed when two shapes meet.
Shape: A defined area of geometric form.
Direction: The direction of a line - Horizontal, Vertical or Oblique.
Size: The amount of space that is occupied by a shape.
Texture: The surface quality of a shape - smooth, rough, soft, hard etc...
Colour: The visual colour of a shape.
Value: The darkness or lightness of a colour.
Source: http://paper-leaf.com/blog/2011/02/elements-of-design-quick-reference-sheet
Principles of Design:
Source: http://virellesartroom.pbworks.com/f/Principles%20of%20Design%20Poster.png