Earliest records show a spoon shaped compass made of lodestone or magnetite ... The inner circle had the eight trigrams and the outer circle the 24 directions (based on azimuth points).

You can specify the eight compass points N, NE, E, SE, S, SW, W, and NW as keywords for the POSITION= option. The following statements create the display in Figure 45.5, which demonstrates all eight ...

Together they make an eight-point compass. So if your phone runs out of charge you can still work out how to get from A to B. A map is a drawing of a place as seen from above (from a bird's eye view).