Proportion/Composition.

(414kb, 300dpi)

Repitition.

(123kb, 300dpi)

Symmetry/Asymmetry.

(569kb, 300dpi)

Figure Ground.

(483kb, 300dpi)

Hierarchy.

(475kb, 300dpi)

Datum.

(422kb, 300dpi)

Contrast.

(115kb, 300dpi)