This document discusses designing navigation for websites. It notes that users will not use a website if they cannot find their way around it. When entering a website, users usually try to find something and decide whether to search first or browse links first. The document outlines some oddities of web space like having no sense of scale, direction or location. It states the purposes of navigation are to indicate what content is available on the site, how to use the site, and build confidence in the site creators. The document then discusses web navigation conventions and elements like persistent navigation, site identification, sections and utilities.