emergency fund
save $500 in it
interest rate
the percentage of principal charged by the lender for the use of it’s money
accrued interest
the amount of interest charged on a debt but not yet collected; interest accumulates from the date a loan is issued
compound interest
interest paid on interest previously earned
principal
the initial amount of money invested or borrowed
compound growth
the average rate of growth for an investment over time; often expressed as an annual figure
rate of return
the measure of an investment’s profit or loss, usually expressed as a percentage of the initial investment
inflation
the persistent rise in the cost of goods and services over time
time value of money
earning potential of money