What does "Escorted Tour" mean? What does "Escorted Tour" mean? This term designates tours where you will be accompanied throughout by a member of discoveryTRAINS staff, from point of departure to point of return. Some tours are organised in conjunction with a partner company. Your tour manager may be either from our company or from the partner company. In both cases discoveryTRAINS remains sole responsible for the quality and the organisation of the tour.