Description:  "Enterprise Content Management is the technologies used to Capture, Manage, Store, Preserve, and Deliver content and documents related to organizational processes." - AIIM Industry Watch: State of the ECM Industry, "The ECM Association Moving from Why? To How?: The Maturing of ECM Users." AIIM Association for Information and Image Management international, Silver Springs, 2006.  In the context of discovery metrics, the ECM or Information Lifecycle systems are effectively an Archival System with a more structured application and user interface to enable greater functionality from the system. The same considerations of search and retrieval limitations apply to these systems.