Graphic Design Terms you should know
Part II I-Z
identity standards manual
guidelines for how the logo (and/or visual identity) is to be applied to numerous applications, from business cards to point-of-purchase materials to vehicles to websites; also called a graphic standards manual.
illusion of spatial depth
the appearance of three-dimensional space on a two-dimensional surface.
illustration
a visual rendering that accompanies or complements printed, digital, or spoken text to clarify, enhance, illuminate, or demonstrate the message of the text.