reflector

A reflector is a device or surface that redirects or bounces back light, radio waves, or other forms of energy toward their source or in a specific direction. In everyday life, reflectors are used on bicycles, roads, or clothing to increase visibility by reflecting light from headlights or streetlights. In technology, antenna reflectors shape signals to improve reception or transmission. Essentially, a reflector doesn't generate energy itself but redirects existing energy to enhance safety, communication, or efficiency. Its function depends on the reflective surface’s material and shape, guiding energy accurately where it’s needed.