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
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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)