- Action
- Activity
- Actor
- Central Buffer Node
- Choice
- Combined Fragment
- Datastore
- Decision
- Diagram Frame
- Diagram Gate
- Endpoint
- Entry Point
- Event
- Exception
- Expansion Node
- Expansion Region
- Exit Point
- Final
- Flow Final
- Fork/Join
- History
- Initial
- Interaction
- Interaction Occurrence
- Interruptible Activity Region
- Junction
- Lifeline
- Merge
- Message Endpoint
- Message Label
- Note
- Object Node
- Partition
- Receive
- Region
- Send
- State
- State/Continuation
- State Lifeline
- State Machine
- Structured Activity
- Synch
- System Boundary
- Terminate
- Trigger
- Use Case
- Value Lifeline