The study realizes a meta-analysis of knowledge about the flow personal relationship/social relationship/social network. The organization of conceptual knowledge and the cogitation on the problematic go to some elements that make a difference between those three concepts. Results that personal relationships are those relationships in which predominate the personal meanings. Social relationships are constituted as contacts, connections, connotation connections that exceed pure personal meaning. They resonate to models, types, customs, traditions, social commitments; they include social meanings. The most complex structuring of social relationship is represented by social network; this constitutes a transformation of social relationships at macro social level. The social network can be described in standard criteria of social relationship: ontological manifestation of some subjectivities, unity, coherence, systemically.