!--a11y-->
Displaying the Navigation Path (Stack) 
Use
A rule can consist of several subrules, which can in turn consist of other subrules. You can navigate through these different levels of the source text.
The Stack editor function lists the subrules that you have accessed since calling up the current rule. You can use the stack function in the graphical display and also in the table display.

If you switch from displaying graphics to displaying tables, the stack is deleted.
Prerequisites
Procedure
You access the Navigation stack dialog box. It contains a list of all rules that you have accessed. The first entry in the list is the object you last accessed.
Result
You access the source text of the selected object.
