Question

what is social network

Answer 1

A social network is a social structure made up of a set of social actors (such as individuals or organizations), sets of dyadic ties, and other social interactions between actors. The social network perspective provides a set of methods for analyzing the structure of whole social entities as well as a variety of theories explaining the patterns observed in these structures.[1] The study of these structures uses social network analysis to identify local and global patterns, locate influential entities, and examine network dynamics.

Answer 2

1.a network of social interactions and personal relationships.
2.a dedicated website or other application which enables users to communicate with each other by posting information, comments, messages, images, etc.