Panopticon: A concept introduced by philosopher Jeremy Bentham, describing a prison design where inmates are constantly under surveillance from a central observation tower without knowing if they're being watched at any given moment.
Mass Surveillance: The widespread collection and analysis of data on individuals or groups, often conducted by governments or corporations for various purposes such as national security or targeted advertising.
Closed-Circuit Television (CCTV): Video surveillance systems comprised of cameras that transmit signals to specific monitors, commonly used in public spaces, businesses, and residential areas for security purposes.