Once a script has the x and y tilt values, it can calculate rotation angles.
For example, if you hold the micro:bit (or cyber:bot) vertically, and then rotate it 30°, the script can tell you so.
A script can also calculate the overall direction you are tilting the micro:bit, even if you’re not holding it vertically.
For example, if you rotate it 45° and then tilt it away from you by another 45°, the 45° angle measurement tells you which corner you are tilting it toward. If that angle was 135°, it would mean you are tilting it toward a different corner.