Specifications include, but are not limited to: Fields for recording Functional Definition as well as Technical Definitions; Ability to customize workflows for different use cases/different user groups; Fields for recording an element's data steward; Fields for indicating data access requests for data element; Workflows for collaborative definition development, commenting, and approval; Capabilities for version control; Ability to categorize definitions into functional areas; Ability to format definitions, add links & attachments; Ability to tag definitions to connect them to related definitions; Ability to designate classification level for each data element; Single Sign-On accessibility for all UMS community members; Ability to batch email users, collaborators, or commenters