(i) Private Final Consumption Expenditure (C): It refers to expenditure on final goods and services by the individuals, households and Non-profit Institution Serving Society.
(ii) Government Final Consumption Expenditure (G): It refers to expenditure on final goods and services by the government, like expenditure on the purchase of goods for consumption by the defence personnel.
(iii) Investment Expenditure (I): It refers to expenditure on the purchase of final goods by the producers.
(iv) Net Exports (X - M): It is the difference between exports and import during an accounting year.