Back Matter - All the material that follows the main text of the book such as appendix, bibliography, and glossary.
Column Gutter - The space between columns of type.
Duotone - A two-color halftone produced by overprinting two halftone screens made from the same photograph (usually black-and-white photograph), as a means of generating a monochromatic image with a full range of tonal gradations.
Facing Pages - In a double-sided document, the two pages that appear as a spread when the publication is opened.
Hard Hyphen - In typography, a hyphen that is always typeset, regardless of where on the line it falls. Such a hyphen would be one of those in the word “mother-in-law”.
