| Name | Description |
|---|---|
| Create | Create new entities |
| Dispose | Remove entities from the system |
| Queue | Store entities waiting for resources |
| Seize | Seize resources to process an entity |
| Delay | Processing delay |
| Release | Release resources after processing an entity |
| Branch | Divide the flow of entities |
| BranchRule | Condition to divide the flow of entities |
| Count | Counter indicator |
| Assign | Assign value to an attribute or variable |
| ExternalAssign | Assign value to attribute or variable (with external ports) |
| Tally | Tally statistical indicator |