The ISO 4217 currency code for the Czech koruna, the official legal tender for the Czech Republic. The Czech koruna (CZK) has been the official currency of the Republic since February 8, 1993, when it replaced the Czechoslovak koruna. The Republic planned to adopt the euro as its official currency in 2012, but opposition halted that move in 2007.

CAD is the currency abbreviation or currency symbol for the Canadian dollar (CAD). The Canadian dollar is made up of 100 cents, and is often presented with the dollar sign as C$ to allow it to be distinguished from other currencies denominated in dollars, such as the U.S. Dollar (USD). CAD is considered to be a benchmark currency, meaning that many central banks across the globe keep Canadian dollars as a reserve currency.

It is the currency and legal tender of Switzerland and Liechtenstein; it is also legal tender in the Italian exclave Campione d'Italia.

Capital gain is an increase in the value of a capital asset (investment or real estate) that gives it a higher worth than the purchase price. The gain is not realized until the asset is sold. A capital gain may be short-term (one year or less) or long-term (more than one year) and must be claimed on income taxes.

Currency trading is the act of buying and selling (trading) different currencies of the world. The Foreign Exchange (or Forex) is the market that allows you to trade currencies in volume.

Crude oil is a naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials. Crude oil can be refined to produce usable products such as gasoline, diesel and various forms of petrochemicals. It is a nonrenewable resource, also known as a fossil fuel, which means that it can't be replaced naturally at the rate we consume it and is therefore a limited resource.

A central bank, or monetary authority, is a monopolized and often nationalized institution given privileged control over the production and distribution of money and credit. In modern economies, the central bank is responsible for the formulation of monetary policy and the regulation of member banks.

Any kind of money that is in public circulation. Includes both coins (hard money) and paper money (soft money. Currency refers to money that is legally designated by the governing body, and sometimes can refer to any object that perceived to have value and can be exchanged for other objects.

Any type of good used in commerce, which includes goods traded on a commodity exchange.