The red and white arrow in your compass is known as the compass needle. The first thing you should know, is that the red arrow is definitely pointing to the magnetic north pole of the earth. Don't confuse this with the black or white arrow in your compass. This can be a common error.

You have it made, if you need to travel north. Compass Datacenters Announces $3 Billion Expansion Plan includes more concerning when to engage in this thing. But, imagine if you intend to travel in another direction? Now, what can you do with it?