(computing) The (sometimes optional) part of a COBOL program that identifies the name of the program (and optionally of its programmer)

The act of self-identifying.

plural of identification division

(topology) a quotient map

(law enforcement) A process by which a witness confirms the identity of a criminal suspect, by viewing the suspect together with other people who were not involved in the crime.

The identification of a person whose identity is supposed to be kept secret (for example, in a pending legal case) by piecing together information from various sources.

plural of identification map

A mandatory unique alphanumeric code (usually 17 characters long) assigned to each vehicle produced, stamped into the metal on the dashboard on the left-hand side (viewable through the windshield), and on the engine block and at least one other place somewhere on the body of the vehicle.

In a civilian aircraft: a transponder that responds by sending a code identifying itself.

(radio, telecommunications) The storage and retrieval of data using tags attached to individual packages, animals or people; the tags contain an integrated circuit to store and process the data, and an antenna to transmit and receive such data.