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3.2. Process Nodes

Executable processes consist of different types of nodes which are connected to each other. The BPMN 2.0 specification defines three main types of nodes:

The start of a process and the end of a process are both types of events. Intermediate events indicate events that could occur during the execution of the process.


Activities are actions that need to be performed during the execution of the process.


Gateways are used to define paths of execution through a process.