In graphic design and advertising, a comprehensive layout or comprehensive, usually shortened to comp, is the page layout of a proposed design as initially presented by the designer to a client, showing the relative positions of text and illustrations before the final content of those elements has been decided upon. The comp thus serves as a draft of the final layout, and (if approved) is used as guide for further design changes and, ultimately, production. Traditionally, the four stages of an illustration or other commercial art creation (e.g., advertisement) are: