Understanding Printing Options and Variables
Topic : Brochures Style
More About Brochure Styles

Brochures can be designed in two main styles:

1. DL - Tri Fold : DL is A4 folded into 3, so that each page then becomes 210X99mm
2. A5 Bi-Fold : This style is the same as taking an A4 page and folding it in half to form a booklet.