#interaction  a mutual or reciprocal action; interacting
  supertype:  action  something done (usually as opposed to something said); "there were stories of murders and other unnatural actions"
  subtype:  interplay  reciprocal action and reaction
  subtype:  contact  close interaction: "they kept in daily contact"; "they claimed that they had been in contact with extraterrestrial beings"
     subtype:  eye_contact__eyecontact  contact that occurs when two people look directly at each other; "a teacher should make eye contact with the students"
     subtype:  placement  contact established between applicants and prospective employees; "the agency provided placement services"
  subtype:  interchange.interaction__reciprocation__give-and-take  mutual interaction; the activity of interchanging or reciprocating
     subtype:  reciprocity  mutual exchange of commercial or other privileges
     subtype:  dealings__traffic  social or verbal interchange (usually followed by `with')
        subtype:  relation.dealings  (usually plural) mutual dealings or connections among persons or groups: "international relations"

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