Anibal Jose Baez
There are 2 kinds of negotiable instruments: promises to pay, and orders to pay.
A PROMISSORY NOTE: It's a written promise made and signed by the maker TO PAY a sum of certain money to the holder of an instrument.
CERTIFICATE OF DEPOSITS: a written promise to pay by a BANK.
DRAFTS or Bill of Exchange: A bill of exchange in the USA it's a called a DRAFT, and it MUST be and ORDER TO PAY a sum of money to a second party. Here you have 3 parties: a drawer, a drawee, and a payee.