About Circular flow within Economics
In economics there is a flow of money and when the flow is equal it is called equilibrium. For it to be equal there is leakages and injections. Leakages are when money is coming out of the economy. Eg. Savings/Tax. Injection is when the money is put back into the economy. Eg. Capital investments. There are also different forms of industries there are primary, secondary and tertiary.
Circular Flow Video
Below there is a circular flow video to explain anything that you might not understand about equilibrium in the economy.