The dots on the guitar neck are visual references. They help you jump to a different part of the neck quickly, easily, and with accuracy.

For example, if you were playing Tunnels by the Arcade Fire, you might play a power chord on the 1st fret followed by a power chord on the 10th fret. The dots, being visual references, make a nine fret jump a bit easier. 

The rest of this post will go over all the details of the dots on a guitar neck, what they mean, and how you can use them to augment your guitar fun. Let's hit it...