Product: through its economic relations of production and consumption of a given system, in a given period of time.

Income: aggregates (sums up) the remuneration earned by agents, through their economic relations, of a given system, in a given period of time.

GDP: acting on the control of income generation of a system, in a given period of time.

NLP: acting on the control of income generation, subtracting expenses, of a system, in a given period of time.

HDI: acting on the control of human development and income generation of a system, in a given period of time.