Runway lighting refers to the system of lights installed along and around an airport runway to assist pilots during takeoff and landing, especially in low visibility conditions. These lights help define the runway's edges, centerline, and thresholds, ensuring safe navigation for aircraft. There are several types of runway lights, including threshold lights, edge lights, and centerline lights. Each type serves a specific purpose, such as marking the beginning of the runway or guiding pilots along the center. Proper functioning of these lights is crucial for maintaining safety in aviation operations.