RULES OF COMPOSITION: KEYWORDS

Rule of Thirds

Balancing Elements

Perspective (bird's eye view/aerial/up high looking down; worm's eye view/down low looking up)
Foreshortening
Shape and Line 

Framing

Symmetry 

Texture and Pattern

Background

Depth of Field

Cropping (for figures/people: full-length (head to toe), three quarter length (mid thigh up); chest up (traditional portrait), and headshot (close up))

Experiment: Move around, try different things.

Make motivated decisions; learn the rules before you break them.