Personal identification

thumb|300px| John Hancock's signature is the most prominent on the [[United States Declaration of Independence and the Articles of Confederation. The name "John Hancock" or just "Hancock" has become a synonym for "signature" in the United States.]]

Stylometry is the application of the study of linguistic style, usually to written language. It has also been applied successfully to music, paintings, chess, and source code.

application of dental knowledge to those criminal and civil laws that are enforced by police agencies in a criminal justice system

one of the Iranian identity documents