The document discusses information architecture (IA), which is defined as organizing and labeling information to improve browsing and searching. IA involves structuring, organizing, and labeling content through techniques like taxonomies, menus, and search systems. It aims to balance the needs of users, content, and context. Professionals involved in IA include technical writers, graphic artists, and information specialists. The document also discusses design considerations for electronic media like chunking content into small packages and using metaphors.