Social network analysis is a technique that attempts to

Social network analysis is a technique that attempts to "find groups of individuals who cooperate, to find individuals who don't team up yet should, or to find specialists  in particular subject areas."

Social network analysis (SNA) is the way toward exploring social structures using systems and chart hypothesis. It describes organized structures as far as nodes (singular on-screen characters, individuals, or things inside the system) and the ties, edges, or connections or collaborations that associate them.