Chapter 5 Building a Process Hierarchy Diagram
A process hierarchy diagram defines the static structure of the model, it contains a set of processes and decompositions (sub-processes). These objects together form a process hierarchy structure that is a decomposition of top-level business functions in a project.
A process hierarchy diagram helps you identify the atomic business tasks. It allows the review of the whole process and focuses on redundant or missing tasks.
A process is a coordinate set of activities or tasks that allows a business to function.
For more information on processes, see section Defining processes in an analysis BPM in chapter Building an Analysis Business Process Model.
The process hierarchy diagram is the first step that allows you to define control flows in a second time. Control flows can be designed as flow charts in the business process diagram as explained in section Creating a flow chart for a composite process
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