Translating the figures for a given year into an annual rate.
The average rate of return produced by a mutual fund during a specified holding period (e.g. 3, 5, or 10 years).
A figure (as in a percentage) calculated by a formula to find the "average" performance per year for a period greater than one year.
The translation of periods of less than a year into an annual rate for comparative purposes. To annualize quarterly figures, you multiply them by four.