Original meaning: existence, exposure. Such as: put yourself in the other's shoes, be deliberate, and behave yourself.
Extended meaning: extended meaning refers to "residence". Like caves.
Extended meaning: extended meaning refers to "living with others" and getting along well.
Extended meaning: extended meaning refers to "place" Everywhere, places.
Extended meaning: extended meaning refers to "organs, or departments in organs, organizations and units". Such as: office, preparatory office.
Yi Yan: Also used as a surname.