Network

From Networkbiology.net

A network is a graph consisting of a number of nodes with edges connecting them and it can refer to any interconnected group or system.  Network may refer to:

Network may also have multiedges (repeated edges between the same paire of vertives), self-edges (edges connecting a vertex to itself), hyperedges (edges that connect more than two vertices together) and many other geatures.

Biological Network or Network Biology
Social Network Analysis