Some functionalities that ECM covers :

• Document management - check-in/checkout control, version control, security and library services for business documents
• Web Content Management - ability to remove the webmaster bottleneck, managing dynamic content and content authoring, general ease of use
• Records management - ability to comply with legal or regulatory purposes, long-term archiving and automation of retention and compliance policies such as admissibility
• Document capture and document imaging for capturing and managing paper documents - entire scanning process from paper to electronic format
• Document-centric collaboration for document sharing and supporting project teams - including permissions
• Workflow for supporting business processes and routing content, assigning work tasks and states, and creating audit trails of who did what, why, when and how

Sumber : http://www.contentmanager.eu.com/ecmq.htm