Background - Economy
The econmomy is the management of our common resources. Money is a medium of echange, a token of exchange. It represents the time that we spend searching, developing, manufacturing. It represents the value that we are willing to grant to each other for time spent and skill and commitment.
There are a limited amount of resources in the world, a limited number of people in the world, a limited amount of time to any lifetime, and a limited amount of any currency - dollars, pounds sterling, yen, rubles, rupees, lira, pesos, shekels, etc. Most communities and nations agree to use tokens to trade for goods.