A FileNet P8 domain represents a logical collection of sites, virtual servers, server instances, object stores, content storage areas, index areas, and content cache storage areas, as well as the Content Engine services enabling these stores and the servers hosting them, for a single instance of Content Engine.
Understanding what a FileNet P8 domain is and how it works will help you in your planning and installation, initial configuration, and subsequent administration and maintenance. See FileNet P8 domain concepts for more information.
Understanding FileNet P8 domains is also important to an understanding of how authentication takes place. See Help for Security for more information.