S, N, W, and E represent the four directions of south, north, west, and east respectively.
The details are as follows:
1. "S" is the first letter of the word "South" in English. The Chinese translation of this word is: south or south.
2. "N" is the first letter of the word "North" in English. The Chinese translation of this word is: north or north.
3. "W" is the first letter of the word "West" in English. The Chinese translation of this word is: West or West.
4. "E" is the first letter of the word "East" in English. The Chinese translation of this word is: East or East.
Azimuth is the direction position. East, south, west, and north are the basic directions; northeast, southeast, etc. are the intermediate directions. In the natal zodiac chart, the distance between two planets opposite each other is called the direction. The Feng Shui of Eight Houses determines the sitting direction of the house according to the direction of the door. The eight home directions correspond to eight hexagrams, namely Zhen, Li, Dui, Kan, Xun, Kun, Qian and Gen. The sitting direction of a house determines what hexagram it belongs to. The east belongs to Zhen, the south belongs to Li, the west belongs to Dui, the north belongs to Kan, the southeast belongs to Xun, the southwest belongs to Kun, the northwest belongs to Qian, and the northeast belongs to Gen.