(n): a visible indication made on a surface
(n): the automatic identification of living individuals by using their physiological and behavioral characteristics
(n): a generic term for any identifying characteristic
(n): evidence of identity; something that identifies a person or thing
(n): a smudge made by a (dirty) finger
(n): a blemish made by dirt
(v): take an impression of a person's fingerprints
(v): make a copy or equivalent of