The 6 Principles of Design

1. Balance

2. Proximity

3. Alignment

4. Repetition

5.Contrast

6.White Space

Balance:

The pages are even, for example theirs not a lot of writing on only one side, its even on both sides.

Proximity:

The distance between elements, its used to show the relationships of one between things

Alignment:

The justification of elements. And emphasizes ones relationship with each other.  

Repetition:

Consistent pattern of font and color schemes and graphic types.

Contrast:

the use of color and size to emphasize the most important elements on a page.

White Space:

the blank or negative space on a page.