The term 'Descend by Rope' can be summarized as 'abseiling', which is a technique used in rock climbing and mountaineering. It involves the use of a rope to descend a steep slope or cliff face. The climber is secured to the rope, which is then lowered down the slope or cliff face. This technique is often used to access difficult terrain or to reach the bottom of a climb. Abseiling is also used in rescue operations, such as when a person needs to be rescued from a high place.