A Compass and a Map
These are just two ways of navigating Both are useful
Knowing where north is Knowing which direction you’re heading
and then Map Knowing where you want to go
So if you have a compass, and you know where north is. But you’re target is south pala. Then it didn’t work out
So the map is handy then.
If you have a map
The map is not the territory Having a good map is important (Story)