Consumption: Consumption is the demand created by the household
in the market, an example of it is John buying a computer for
playing PUBG. it is for personal consumption.
Investmetn is the money invested by the firm in the market, an
example of it is Boeing building new factory to build new parts for
the planes.
Government expenditure is the purchase and expenditure done by
the government, example defence expenditure.
Net exporrts i.e. total goods sold to the foreign nation,
Walmart sold wine to India.