What are the most common symbols used in BPMN Diagrams?

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• What are the most common symbols used in BPMN Diagrams?

BPMN uses a set of symbols to represent various elements of a business process. Here are some of the common symbols used in BPMN diagrams:

1. Events:

• Circle with a thick border: represents the start event of the process
• Circle with a thin border: represents an intermediate event within the process
• Circle with a cross inside: represents an end event of the process
• Double circle: represents a boundary event associated with an activity or subprocess

2. Activities:

• Rounded rectangle: represents a task or activity
• Subprocess: represents a series of activities that are grouped together to represent a sub-process
• Expanded subprocess: represents a subprocess that has been expanded to show additional detail
• Transaction: represents a set of activities that must be completed as a single unit of work

3. Gateways:

• Diamond: represents a gateway that splits the process flow into multiple paths
• Exclusive gateway: represents a decision point where only one path can be taken
• Inclusive gateway: represents a decision point where one or more paths can be taken
• Parallel gateway: represents a synchronization point where multiple paths are merged into a single flow

4. Flows:

• Sequence flow: represents the order of tasks and activities in the process
• Message flow: represents the flow of information or data between different elements of the process
• Association flow: represents a relationship between two elements in the process, such as data inputs or outputs