The more common term for a dactylogram is a fingerprint. It refers to a unique pattern of ridges and valleys on the skin of fingers, palms, and soles of the feet that is used for identification purposes. Fingerprinting has been used in law enforcement and forensic investigations for over a century, and it remains a reliable method for identifying individuals. Nowadays, digital fingerprinting has replaced traditional ink and paper methods, making the process more efficient and accurate.