Business process diagram connection rules

Task Sub-process Start event Intermediate event End event Gateway Choreography task Choreography Sub-process Call activity Text annotation Data Object Pool/Lane Task Sequence flow, Message flow Sequence flow, Message flow Message flow Sequence flow, Message flow Sequence flow, Sequence flow, Message flow Sequence flow, Sequence flow, Sequence flow, Message flow Association, To-Direction Association Association, To-Direction Association, Data Association   Sub-process Sequence flow, Message flow Sequence flow, Message flow Message flow Sequence flow, Message flow Sequence flow, Sequence flow, Message flow Sequence flow, Sequence flow, Sequence flow, Message flow Association, To-Direction Association Association, To-Direction Association, Data Association   Start event Sequence flow, Sequence flow,   Sequence flow, Sequence flow, Sequence flow, Sequence flow, Sequence flow, Sequence flow, Association, To-Direction Association Association, To-Direction Association   Intermediate event Sequence flow, Sequence flow,   Sequence flow, Sequence flow, Sequence flow, Sequence flow, Sequence flow, Sequence flow, Association, To-Direction Association Association, To-Direction Association   End event Message flow Message flow Message flow Message flow         Message flow Association, To-Direction Association Association, To-Direction Association   Gateway Sequence flow, Message flow Sequence flow, Message flow   Sequence flow, Message flow Sequence flow, Sequence flow, Message flow Sequence flow, Sequence flow, Sequence flow, Message flow Association, To-Direction Association Association, To-Direction Association   Choreography task Sequence flow, Sequence flow,   Sequence flow, Sequence flow, Sequence flow, Sequence flow, Sequence flow,   Association, To-Direction Association     Choreography sub-process Sequence flow, Sequence flow,   Sequence flow, Sequence flow, Sequence flow, Sequence flow,     Association, To-Direction Association     Call activity Sequence flow, Message flow Sequence flow, Message flow Message flow Sequence flow, Message flow Sequence flow, Sequence flow, Message flow     Sequence flow, Message flow Association, To-Direction Association Association, To-Direction Association, Data Association   Text annotation Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association   Association, To-Direction Association Association, To-Direction Association Data object Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association Association, To-Direction Association     Association, To-Direction Association Association, To-Direction Association Data Association   Pool/lane                   Association, To-Direction Association

Connection rules in business process diagram

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