A concave mirror is a reflective surface that curves inward, causing light rays to converge at a focal point. It is also referred to as a converging mirror, curved mirror, or a parabolic mirror. These mirrors are commonly used in optical devices such as telescopes, binoculars, and satellite dishes. They are also utilized in automobile headlights and dental instruments. Due to their unique geometry, concave mirrors can magnify and focus light, making them useful in a wide range of applications. While the term concave mirror is the most commonly used, alternative terms can be useful for precision or clarity in communication.