Money is a medium of exchange that is widely accepted as a way to pay for goods and services. It is also a store of value, meaning that it can be saved and used to purchase goods and services in the future. Money can be made of many different materials, including paper, metal, and even digital code.

The most common form of money today is fiat money, which is not backed by any physical commodity such as gold or silver. Fiat money is issued by governments and central banks and is accepted as payment because of the faith that people have in its value.

Money plays an important role in the economy by facilitating trade and commerce. It also helps to store value and make payments over time.