Final answer:
A depression is a prolonged period of economic recession marked by a significant decline in income and employment. It is the low point of economic activity prior to a recovery.
Step-by-step explanation:
A depression is a prolonged period of economic recession marked by a significant decline in income and employment. It is the low point of economic activity prior to a recovery. Depressions are typically characterized by high unemployment rates, restricted economic growth, and a decline in total output and trade.