Derek Moran
There is this, however...
INSTRUMENT:
2. Commercial law. An unconditional promise or order to pay a fixed amount of money, with or without interest or other fixed charges described in the promise or order. - Under the UCC, a promise or order must meet several other specifically listed requirements to qualify as an instrument. UCC � 3-104(a). See NEGOTIABLE INSTRUMENT. 3. A means by which something is achieved, performed, or furthered <an instrument of social equality>