Return on investment (ROI) is a performance measure used to evaluate the efficiency of an investment or compare the efficiency of several investments.| Investopedia
The compound annual growth rate (CAGR) measures an investment's annual growth rate over a period of time, assuming profits are reinvested at the end of each year.| Investopedia
Inflation is a decrease in the purchasing power of money, reflected in a general increase in the prices of goods and services in an economy.| Investopedia