Which element represents a transaction in BPMN?

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Pizza company wants to develop their own BSC. Which approach should they adopt?
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The Project Manager responsible for the"Pizza outlet remodeling project -Chicoutimi" is finalizing the breakdown of all the work required to complete the project successfully. In which Knowledge Area is the type of activity included?
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Which diagram describes the interrupt of task "A," if message "M" arrives and starts task "C" next?

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With what, is the Process Modeling Conformance Level of BPMN 2.0 concerned with?
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