mastergrid.psd (right click on link and download)

keep rectangles horizontal
use all elements
elements may not extend outside the format
elements may touch, but not overlap
elements must occupy grid columns properly
circle may go anywhere

grouping (similar, different)
negative space (simple, avoid tiny entrapped space and complex space)
perimeter edge (try to touch all)
axial alignment (use elements to emphasise form of the grid)
law of thirds (hit the four interior hot spots)
circle placement (space activator, pivot point, contrast/tension, starter, stopper, organizer, balancer)
leading (tight, rhythmic)

mastertext.psd (right click on link and download)