Activities

1. Activities
2. Tasks
3. Subprocess
4. Call Activity

Gateways

1. Gateways
2. Exclusive Gateway
3. Parallel Gateway
4. Event Based Gateway

Events

1. Events
2. Start Events
3. Intermediate Events
4. End Events
5. Boundary Events

Connecting Elements

1. Connecting Elements
2. Sequence Flows
3. Message Flows
4. Associations
5. Data Associations

Data Elements

1. Data Elements
2. Data Object Reference
3. Data Input
4. Data Output
5. Data Store Reference

Pools and Lanes

1. Pools and Lanes

Artifacts

1. Text Annotation