G indicates the existing UML Glossary has a description.

Stereotypes  - G
Tagged Values - G
Constraints - G
Final - G
Precondition  - G
Postcondition - G
Client - G
Supplier - G
Is Derived - G (adapt definition for Derived Element)
Signal   - G
Submachine State - G

On multiple diagram Property Sheets:

     Documentation - TBD
     Physical File Location - TBD
     Template Parameters - TBD
     Transient  - TBD (is it Transient Object?)
     Abstract   - TBD
     Leaf    - TBD
     Context - TBD
     Extension Points - TBD
     Base - TBD
     Addition - TBD
     Extension  TBD
     Is Reflexive - TBD
     Effect - TBD
     Discriminator - TBD
     Representing Classifier - TBD
     Derived Classifier - TBD
     Active - TBD
     Composite - TBD
     Instantiation - TBD

     Template - TBD (Glossary has parameterized component, would this 
become parameterized element?)

     Aggregate End -
     Part End -
     Ends -

On Project Model Node Property Sheet:
     Default Language - TBD

On Diagram level Property Sheet:
     Activity Kind  - TBD
     Is Reentrant - TBD
     Represented Feature - TBD
     Specification - TBD
     Single copy - TBD
     File Name - TBD
     Namespace - TBD

On Activity Diagram Property Sheet:
     Activity - TBD
     External - TBD
     Dimension - TBD
     Ordering - TBD
     Kind     - TBD
     Ground Kind - TBD
     Multi Receive - TBD
     Multi Cast    - TBD
     Multiple Invocation - TBD
     Synchronous - TBD

On Class Diagram level Property Sheet:
     Actual Type - TBD
     Type Decoration - TBD

On Component Diagram Property Sheet:
     Ends -
     Static - TBD
     Service - TBD

On Deployment Diagram Property Sheet:
     Deployment Location - TBD
     Execution Location - TBD
     Container - TBD

On Sequence Diagram Property Sheet:
     Operator - TBD
     Message Kind - TBD
     Operation Invoked - TBD
     Receiving Classifier - TBD
     Sending Classifier - TBD

On State Diagram Property Sheet:
     Trigger - TBD
     Guard - TBD
     Do Activity - TBD
     Exit - TBD
     Entry - TBD
     Simple - TBD
     Orthogonal - TBD
     Submachine - TBD