Biometrics refers to the measurement and statistical analysis of people's unique physical and behavioral characteristics. Common biometric identifiers include fingerprints, facial recognition, iris patterns, and voice recognition. These traits are used for identification and access control, enhancing security in various applications, such as smartphones and border control. The technology behind biometrics relies on capturing and comparing these unique traits to verify an individual's identity. As technology advances, biometrics is becoming more prevalent in everyday life, offering convenience and improved security in areas like banking, healthcare, and personal devices.