The tools at the top of the Resource Editor help you to navigate through and search in the resource file.
Note: To jump to the definition of a template from a reference in another
            template (see 
Templates (Profile)) or other extension, place your cursor
            between the percent signs and press 
F12. If an extension
            overrides another item, right-click it and select 
Go to
                super-definition to go to the overriden item.