Currency relative values of the different currencies. Currencies in this sense are defined by governments, and each type has limited boundaries of acceptance. Other definitions of the term "currency" are discussed in their respective synonymous articles banknote, coin, and money. The latter definition, pertaining to the currency systems of nations, is the topic of this article. Currencies can be classified into two monetary systems: fiat money and commodity money, depending on what guarantees the value (the economy at large vs. the government's physical metal reserves). Some currencies are legal tender in certain political jurisdictions. Others are simply traded for their economic
Pound (currency) formerly belonging to the Ottoman Empire, are called "pound" in English, while in the local languages their official name is "lira". The pound sterling is also the currency of the British Overseas Territories of South Georgia and the South Sandwich Islands, British Antarctic Territory and British Indian Ocean Territory. All of the following currencies have been replaced by the US dollar. Pound (currency) The pound is a unit of currency in some nations. The term originated in the Frankish Empire as a result of Charlemagne's currency reform ("pound" from Latin "pondus", a unity of weight) and was subsequently taken to