What does compass n mean?

The north of the compass represents the north. Generally speaking, N (North) of the compass represents the north, E (East) represents the east, S (South) represents the south, and W (West) represents the west. Compass is one of the four great inventions in ancient China, and its invention has played an inestimable role in the development of human science and technology and civilization. In ancient China, the compass was first used for rituals, etiquette, military affairs and divination, and to determine the orientation when looking at geomantic omen.

Features of the compass:

Generally speaking, the current compass is somewhat similar to a mechanical watch in appearance, and it is a circular pointer disk. Generally speaking, there is a dial. 0 degrees is n, that is, north, 90 degrees is W East, 180 degrees is S South, and 270 degrees is E West. How to use the compass? Generally speaking, when you use a compass, you just put it flat on your palm and let it rotate freely.

After the compass rotates smoothly, take the compass and circle in place until the red pointer coincides with it. At this point, the compass points to the right direction of southeast and northwest.