An unconditional promise to pay in writing made by one person to another, signed by the maker,
engaging to pay on demand or a fixed determinable future time a sum certain in money to order or bearer.
When the note is drawn to maker’s own order, it is not complete until indorsed by him. (Sec. 184)
BILL OF EXCHANGE
An unconditional order in writing addressed by one person to another, signed by the person giving it,
requiring the person to whom it is addressed to pay on demand or at a fixed or determinable future time a
sum certain in money to order or to bearer. (Sec. 126)
CHECK
A bill of exchange drawn on a bank and payable on demand. (Sec. 185)