 Closely related concepts include that of "ganqing", a measure which reflects the depth of feeling within an interpersonal relationship, "renqing" ( "rénqíng"/"jen-ch'ing"), the moral obligation to maintain a relationship, and the idea of "face" (, "miànzi"/"mien-tzu"), which refers to social status, propriety, prestige, or a combination of all three.Other related concepts include "wu-lune", which supports the idea of a long term, developing relationship between a business and its client, and "yi-ren" and "ren", which respectively support reciprocity and empathy.At its most basic, "guanxi" describes a personal connection between two people in which one is able to prevail upon another to perform a favor or service, or be prevailed upon, that is, one's "standing" with another.