Review

• Don't be a wimp.
• Don't be afraid to create your design with plenty of blank space. 
• Don't be afraid to uncenter your format - it often makes tthe effect stronger. 
• Don't be afraid to make your graphics very bold.

Proximity

• group related items together and vary the space to indicate the importance of a relationship.

Alignment 

• To keep everything unified on a page, align everything on the same edge.

Repetition 

• repetition helps strengthen the consistency on a page. 

Contrast 

• add contrast by using rules, typefaces, colors or spatial relationships.