This document defines terminology related to page layout and design, including: Grids, margins, columns, titles, headlines, page numbers, and orientation are discussed as the basic building blocks for page layout. Different stylistic choices for typeface, font, and type styles are presented that can provide visual interest and guide the reader through the content. Effective use of white space, rules, and other graphical elements are described to achieve radial or asymmetric optical balance on the page.