Bond: An IOU issued by a company, municipality, or the federal government in exchange for a loan from an investor that will be repaid with a set rate of return. financial instatution: A business that provides money related services. Interest: a fee received or paid for the use of money. Invest: To commit money in order to receive a profit or interest. Pay yourself first: To automatically save a certain ammount of money from a paycheck to future use mutual fund: : A collection of stocks or bonds of various corporations. oppertunity cost: The next best alternate given up when making a financial decision principle:the ammount of money origionaly invested risk: the possobilaty of financial loss or physical harm saving account: an interest bearing account where people put money for future use stock: a share of a corperation sold to the public