This handy tool will help you visualise structure of your process maps and save to explaining to your user where does drilldowns actually find their place.

Click on the icon to open the map tree to navigate around a map. Left-click on the icon seen in the image below:
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The map tree window can be resized and moved anywhere on the screen.
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The currently open diagram is highlighted. Click on any item to open that diagram. The nodes with a "+" symbol are diagrams with more child diagrams - you can click on the "+" to see all children diagrams for the selected parent. These nodes are also accompanied by information on how many drilldowns they have in total. 

Process mapping - Elements activity boxes and flow lines - in this article we will introduce very basics of process mapping drawing and layout principles of those

Process mapping - Elements view and edit modes - view and edit modes serve you with different purposes, as you might think when in edit mode you can actually make amendments to your process map and yes, in view mode you can only view

Create child diagram - diagram needs to be simplified from a hierarchical structure into fewer, higher level activity boxes, with detail pushed down to lower levels