Understanding where a rule is used can be a valuable aid in learning and debugging applications. For several rule types, the Referencing Rules gadget provides two lists:
For example, a harness might reference section, property, and control rules. In turn, several flows reference that harness.
In this context, "rule A references rule B", means that one or more key parts of rule B appear in the rule form for rule A. Your application many include many such "B" rules. At run time, rule resolution determines which of possibly many "B" rules the system accesses and runs.
You can interact with the display to open a rule in either column.
To access the Referencing Rules display from the Designer Studio: