The 4 F's

Format

Format is the way that something is organised or set out

In a magazine this could include the way the magazine looks

for example, the logo, size of the magazine or cover lines.

The format will give the overall feel.

Formula

The formula (editorial content) is what is inside the magazine.

Formula will include the photographic styles, illustrations, 

the magazine departments and the articles.

Frame 

The frame is the kind of margins that are used. Some magazines

use different margin sizes, but other magazines might change

the margin size. Margins are usually used in a magazine for

consistency.

Function

In a magazine, the function is presenting the overall message

and aim.