What is money in our system? Let us attempt a general definition for our program. Money is the currency that we trade for the materials needs of living. For the most part, we must earn the money in some way, through employment in an occupation, for example. Naturally I am aware in some way benefited by the work or efforts of others, without the need for employment themselves. There are myriad possibilities here. Money is obtained through countless means. Money acts as a medium of exchange, as we say.