A federal budgetary term that refers to the specific designation by Congress that part of a more general lump-sum appropriation be used for a particular project; the earmark can be designated as a minimum and/or maximum dollar amount. (APTA)


A right acquired by one party to use or control property belonging to another party for a designated purpose, such as public utilities, streets or highways, transit lines. (TRB)


Extended Binary-Coded Decimal Interchange Code. An eight bit code representing 256 characters. Used in most large computer systems.


A process which ensures that input data conforms to predetermined criteria to enable early identification of potential errors.