Click on the icon to open the map tree to navigate around a map. Left-click on the icon seen in the image below:
The map tree window can be resized and moved anywhere on the screen.
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.
People frequently ask - "How do I build the most appropriate structure - and how does the level numbering work". Take a look at this article to see the 3 principles of creating and structuring valuable process content - and to answer the "where are the folders?" question...