Use the Show Only Feature

With one right click ‘Show Only This’ for the direct connections to an object, or show only before, after or before and after. See or hide ghosted objects in Format tab and untick Show only to return to the full map.

You can show how the value flows through the maps and once switched on you can click on any object to see what comes before or before and after it, for example.

Also, see other ways to show and hide objects on the map.