Explanation:

Aggregate Consumption:
Aggregate consumption refers to the total spending by households on goods and services in an economy. It is an important macroeconomic aggregate as it reflects the overall level of demand in the economy. Consumption is a key driver of economic growth, as higher levels of consumption typically lead to increased production and investment.

Gross Domestic Capital Formation:
Gross Domestic Capital Formation (GDCF) represents the total value of investments in physical assets within an economy. This includes spending on machinery, equipment, buildings, and infrastructure. GDCF is essential for economic growth as it contributes to increasing the productive capacity of the economy. Higher levels of GDCF typically lead to higher levels of economic output and employment.

Gross Domestic Savings and GNP:
Gross Domestic Savings (GDS) refers to the total savings made by households, businesses, and the government within an economy. It is an important macroeconomic aggregate as it reflects the amount of funds available for investment. Gross National Product (GNP) measures the total value of goods and services produced by a country's residents, both domestically and abroad. GDS and GNP are closely linked, as savings are a key source of funds for investment, which in turn contributes to economic growth.

Conclusion:
All of the above-mentioned macroeconomic aggregates are crucial for understanding the overall health and performance of an economy. They provide valuable insights into the levels of consumption, investment, savings, and production within an economy, which are essential for policymakers, businesses, and investors to make informed decisions.