Let's take a look at each type:
Commodity money - Money that has intrinsic value, like gold, silver, etc.
Representative money - Money that represents value of a commodity, like paper notes representing gold.
Fiat money - Money without intrinsic value established by government order, like modern paper currency.
Currency - Notes and coins issued and backed by central banks as legal tender.
Commercial bank money - Deposits created by commercial banks through lending, like checking accounts.
Vol. 1.1-4n4