font serif; A typeface with serifs
font sans-serif: A typeface without serifs
margin:the edge or border of something
guide (illustrator guides),:guides that help you to line control objects and paths easily in illustrator.
bleed: a printing term that refers to printing that goes beyond the edge of the sheet before trimming
CMYK: the standard color model used in offset printing for full-color documents
image resolution:
the detail an image holds. The term applies to raster digital images, film images, and other types of images.
proof copy,
artboard,: An on-screen design surface in a drawing application
registration mark,