we live in a communication era of emails, mobile telephones, etc. but, concerning orientation, the verbal communication today ist limited to right/left commands based on CHANGING view directions.
Sometimes one dares to use cardinal points, but, if you dont know the north direction, this says nothing.
How much such information are you able to memorize?
The Munich Orientation Convention revolutionizes this:
in few minutes you'll be able to give orientation information which our brains can memorize and that is really helpfull on location: