The ability to manage information strategically is becoming a high priority for enterprise architecture (EA) professionals, but a coherent and comprehensive approach to information in the enterprise is a pipe dream for most organizations. The typical enterprise's information landscape includes information expertise within silos but problematic cross-silo capabilities. This report provides enterprise architects with a comprehensive view of the IA landscape, ranging from typical approaches for managing information resources to the complete set of relevant information architecture subdomains. This is an update of a previously published report; Forrester reviews and revises it periodically for continued relevance and accuracy.