Top rope climbing — often shortened to "top rope" or "TR" — is a style where the rope runs from the climber's harness, up through a fixed anchor at the top of the route, and back down to the belayer on the ground. As the climber moves up, the belayer pulls slack out of the system, so a fall results in only a short hang — usually less than a metre — before the rope catches.
Top rope is the safest and friendliest style for new climbers. It removes most of the fall risk associated with climbing, lets the climber focus on technique and movement, and allows for easy "takes" (resting on the rope) at any point. Most indoor gyms have dedicated top-rope walls with permanent fixed anchors. Outdoor top-roping requires either bolt anchors at the top of the route, or building an anchor with trad gear, slings, and locking carabiners.
Many climbers spend their first months exclusively top-roping, building strength, technique, and confidence before progressing to lead climbing or bouldering. Top rope is also the standard format for entry-level climbing competitions, school programmes, and group sessions. The trade-off: it limits where you can climb (you need an anchor reachable from above) and is mechanically less efficient for hard routes than lead climbing.