Final answer:
A deficit is the annual budget shortfall between revenues and expenditures. It occurs when the government spends more money than it collects in taxes.
Step-by-step explanation:
A deficit refers to the annual budget shortfall between revenues and expenditures. When the government spends more money than it has collected in taxes, it results in a deficit. The deficit is not the same as the debt, which is the accumulated sum of all past deficits and surpluses over time.