The concept of interpersonal relationship involves social associations, connections, or affiliations between two or more people. Interpersonal relationships vary in their degree of intimacy or ...

Van den Steen, Eric J. "Interpersonal Authority in a Theory of the Firm." American Economic Review 100, no. 1 (March 2010): 466–490.

What are interpersonal skills? They are essentially your ability and competence in building relationships with the people around you—relationships which are effective, constructive and rewarding.