To match each economic term with its definition:
1. **Gross Domestic Product (GDP)**:
- Definition: The total dollar value of all goods, services, and structures produced within a country in a year.
2. **Consumer Price Index (CPI)**:
- Definition: Measures general price changes occurring in an economy.
3. **Inflation**:
- Definition: The rate at which the general level of prices for goods and services is rising, leading to a decrease in the purchasing power of a nation's currency.
4. **Opportunity Costs**:
- Definition: The loss of potential gain from other alternatives when one alternative is chosen.
5. **Comparative Advantage**:
- Definition: The ability of an individual, firm, or country to produce a good or service at a lower opportunity cost than other producers.
By understanding these definitions, you can now match each economic term with its correct definition.