It doesn't. It's a grid system with 3 meter squares, each one having its own trio of words. Move the point 3 meters in any direction and you'll get a different

It doesn't. It's a grid system with 3 meter squares, each one having its own trio of words. Move the point 3 meters in any direction and you'll get a different one. This allows much more precise and close together addresses, down to the entrances of doors or gates.