1. The first one is the original meaning, which refers to a car with a shed or curtain in ancient times.
For example, "Xuanjia" is the emperor's car. Another example is "Xuan Mian", which refers to the rank of the official's car and dress, which refers to the official rank.
2. The second meaning refers to: a corridor or small house with windows, which is now mostly used as a study or teahouse.
This second meaning of "Xuan" is extended to include doors, windows, floors, railings, high pavilions, etc.
3. The third word means tall, and because tall is extended to mean good temperament
This is because in ancient times, a car with a high front and a low back was called "Xuan", which was extended to mean tall. For example, "Xuanchang". From tall, it is extended to good temperament: it refers to elegance, nobility, and gentleness.
Extended information:
Xuan xuān?
1.
(1), (phonetic. From the car, to do Sound. Original meaning: A kind of car with a high front roof and a curtain in ancient China, for officials and above to ride)
(2), same original meaning
For example: Xuanfu (Xuan car) and Mianfu); Xuanzhu (cars used by dignitaries in ancient times);
(3), generally refers to a gorgeous car
For example: Xuan car falling (a metaphor for sunset); Xuan sail (car and boat); floor slab, the superstructure part of a building.
(4) Eaves?
For example: Xuanning (between the platform under the eaves in front of the palace and the screen door on the palace); Xuanning (eaves).
(5), The front eaves of the palace
For example: Xuanzu (the steps in front of the palace); Xuanbi (the steps in front of the palace).
(6), House. Also used as the font name for study rooms and teahouses
For example: Xuanzi (house); Xuanyu (a spacious house); Xuanxu (referring to a residence);
(7) Buildings characterized by openness?
For example: Xuanxie (referring to buildings such as pavilions and pavilions characterized by openness); Factory (shed).