commtechclass.com :: educational design 

Bleed is a printing term that is used to describe a document which has images or elements that touch the edge of the page, extending beyond the trim edge and leaving no white margin.

 

For example, an 8.5”x11” page with bleed must be printed on an 11”x17” sheet and then cut to size.

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Margins are  set up to allow for breathing space between the context of the page and the page edge. The background image may bleed past the inset margin area, all other content will stay within the margin frame.