Glossary of Common Terms

• GDP -- see gross domestic product

• gross domestic product (GDP) -- The most widely accepted measurement of the health of a nation's economy.
  • To learn more, see:
    • US Gross Domestic Product (GDP)
    • U.S. Bureau of Economic Analysis
    • Investopedia
    • Britannica

• YOY -- means year over year, and is an abbreviation frequently used to measure growth from one year to the next. For example, if you sold 100 apples in 2020 and 110 apples in 2021, your 2021 YOY change would be 10 apples or a 10% increase.

• YOY Δ -- similar to YOY, it means year over year change. Δ is the Greek letter delta, which is used in mathematics to notate change.