C
O
N
C
E
P
T

Unity

Balance

Relevance

Emphasis

Contrast

Appropriateness

Repetition

Consistency

Simplicity

White Space

  Click image to see a larger version  

C
O
N
T
E
N
T

Focused

Alignment

Hierarchy

Readability

Information Rich

C
O
M
P
O
N
E
N
T

Type

Color

Images

Graphic Elements

Details

alignment: How things line up whether it's centered, left, right or justified plays a part in making it easier for the reader to go through the content.

Alignment at work:
This was a 6"x9" postcard / tip sheet. You can see here alignment at work: the centered title and subhead, the way the checkboxes line up and how the text of the bullets line up.