(i). Capital It is a man-made means of production.It is a stock because it is measured at a given point of time.
(ii) Saving It is the surplus of production over consumption. It is a flow as it is measured during a period of time.
(iii) Gross Domestic Product It is a flow as it is the market value of final goods and services produced within the domestic territory measured during a period of time.
(iv) Wealth It is'a stock as it is measured at a particular point of time.