Document Management
DM is highly similarly and overlaps with Content Management. Document management applies specifically to the management of discreet documents and images throughout their lifecycle. Typical functionality includes acquisition, organization, versioning, access control, and archiving.
From : www.cylogy.com/library/glossary.html

A systematic method for storing, locating, and keeping track of information that is valuable to a business. The key characteristics of a document management system are the ability to manage information, to collaborate when creating information, to distribute the information, and to allow secure access to the greatest number of people.
www.data-core.com/glossary-of-terms.htm