What are the four grades of archway?

Archway is a traditional architectural form, which was very common in ancient China. They are usually made of stone or wood and are used to commemorate important people, commemorate events or mark specific places. According to its grade and importance, memorial archways can be divided into four grades: royal memorial archways, official memorial archways, private memorial archways and folk memorial archways. 1. Royal archway: These archways are the highest level and are usually entrusted by the emperor or the royal family to commemorate important events or outstanding ancestors. Royal archways are usually large in scale and luxuriously decorated, representing imperial power and dignity. 2. Official archways: These archways are entrusted by government agencies or local officials to commemorate outstanding officials or mark specific places. The official archway is usually moderate in scale and simple in decoration, which embodies the official authority and majesty. 3. Private archways: These archways are commissioned by wealthy or prestigious individuals to commemorate their own or family achievements, family ancestors or mark private property. The scale and decoration of private archways change with the wealth and status of the parties, showing the glory and status of individuals or families. 4. Folk archways: These archways were built by ordinary people to commemorate ordinary people or historical events. Folk archways are usually small in scale and simple in decoration, representing the feelings of ordinary people and commemorating history.