What is mediation?
What is mediation and how can it help : mediation at work – Acas
Definition and characteristics of mediation
What is mediation and how does it work? – FindLaw
(Excellent short video explaining mediation)
What is facilitation?
https://www.mindtools.com/pages/article/RoleofAFacilitator.htm
What is conflict coaching?
http://www.mediatecentre.com/?page_id=693
(Canadian organization; good definition of conflict coaching)