CCTV stands for Closed-Circuit Television, a system where video cameras transmit signals to specific monitors or recording devices. Unlike broadcast television, CCTV is not openly transmitted but is used for surveillance and security in both public and private areas. Commonly found in businesses, homes, and public spaces, CCTV helps deter crime, monitor activities, and provide evidence when needed. Modern CCTV systems may include features like remote viewing, motion detection, and digital storage.