Definitions
Composition is the form, the whole spatial property and structure resulting from the intentional visualization and arrangement of graphic elements—type and visuals—in relation to one another and to the format, meant to visually communicate, to be compelling and expressive.
Even Margins
Larger Base Margin
Margins are the blank spaces on the left, right, top, and/or bottom edges of the rectangular space the composition lives inside of.
Side-Only Margins
Asymmetrical Margins
The Picture Plane is the flat surface plane of a print or digital single, static page.
In any case, it's important to think about how the composition relates to it's frame.

