dignity
Purple seal ribbon and gold seal were used by ancient prime ministers. Later, it was used to refer to high officials.
Idioms and allusions
The source of the book of Jin Yu Fu Zhi: "a noble man, his wife, and his concubines are three ladies, all of whom are golden and purple." The 65th chapter of the wizard of Oz by Li Baichuan in Qing Dynasty: "two courthouses, sitting with golden zhangzishou."
Discrimination of words
Usage: used as object and attribute; refers to a high official
dignity
have food spread out ten feet square -- live in luxury - shí àn fāng zhàng