Money is what people use to things. People spend money on and services. Many people save part of their money by it in a bank. People money by performing services. They also earn money from , including government bonds, and from .
can be anything that people agree to accept in exchange for the things they or the work they do. Ancient peoples used such varied things as , , and cattle as money. Today, most nations use metal coins and Different countries' and bilk look different and have different names.
A person can his money for the money of any country according to the .
Usually, such rates are set by the central of a country. The of a country's may change, depending on the economic and political conditions in that country.