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Table Of Contents
Practical Business Process Modeling and Analysis
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We already know how to read the various types of process flows in the diagrams, but that’s not all we might be interested in. One of the basic things we need to know about any process model is what work needs to be done in it. For this, we use tasks. A task represents an indivisible piece of work to be done in a process. Why indivisible? As we mentioned at the beginning of this chapter, BPMN offers two types of objects (activities) to describe the work to be done – tasks and sub-processes.
When our work is complex, can be broken down into multiple steps, and potentially performed by different actors, we should use a sub-process whose content can be described in a separate diagram. When there’s no need to add more details in such a way, the task will suffice, especially since we can add a description documenting what’s supposed to happen in a process step.
Tasks are represented as rectangles with rounded corners, most often...