And what there is barely any words i don't get it<span />
I think Caste System would be your answer.
In that case, money is a medium of exchange
in the past, we use barter (exchanging goods) system to require new goods.
For example, if i want a fresh bag of potatoes, i will give you a dozen of eggs.
Now, we use an intermediary called money for trading to avoid inconvenience in barter ( some time an equal value)me the goods that was exchanged in barter dont have an equal value.
This intermediary is called medium of exchane
Because they have the desire to stimulate the growth of the economy and job percentage in the country