Face: Edge of a bound publication opposite the spine.
Felt Side: The smoother side of the paper.
File Format: A set of instructions that describe how to store, access or transmit digital information. Being able to match the format of data created in one program to what can be received by another is the basis for file compatibility.
Flop: Reversing a transparency or negative so that what was on the right side is now on the left.
Font: A complete set of type characters in one typeface and type size.
Font Kerning: The process of fitting adjacent characters together to use space efficiently and to produce attractive lines of text. Kerned characters nest together, and move under the rise of an adjacent letter, r, for example. The letter j can fit close to a preceding letter d, but the letter d can't move especially close to a preceding letter o.
Foot Margin (also tail margin): The distance between the bottom edge of the body of type (text) on a page and the bottom edge of the trimmed page.
Foil Stamping: A metallic finish, or other embossed finishes applied by specialist equipment.
Flush: To align, to be even with. (flush right to a margin for example).
Four-Colour Process: Reproduction of full-colour photographs or art with the four basic colours of ink (cyan, magenta, yellow, black).
French Fold: Two folds at right angles to each other.
Full Colour: Or 'four colour process' using the four basic printing colours: cyan, magenta, yellow and black.