- Repetition
- Rule of Thirds
- Selective Focus
- Depth of Field, DoF
- Aperture
- F-stop
- Shutter
- Changing to Grayscale
- Layout - lanscape (horizontal), or portrait (vertical)
- Frame within a frame
- Mergers
- Emphasis
- Contrast
- Value
- Balance: Symmetry/Asymmetry
- Composition
- Landscapes: Horizon in the upper or lower third
- Fill the Frame
- Different angles
- Correct Exposure
http://iconicimagesinternational.com/files/Art-Wolfe-Presentation-Summary-Notes.pdf