Currency Forex System Trading

currency
general acceptance or use; "the currency of ideas"
The fact or quality of being generally accepted or in use
The time during which something is in use or operation
currentness: the property of belonging to the present time; "the currency of a slang term"
A system of money in general use in a particular country
the metal or paper medium of exchange that is presently used

trading
The action of engaging in trade
(trade) the commercial exchange (buying and selling on domestic or international markets) of goods and services; "Venice was an important center of trade with the East"; "they are accused of conspiring to constrain trade"
(trade) engage in the trade of; "he is merchandising telephone sets"
buying or selling securities or commodities

system
A set of things working together as parts of a mechanism or an interconnecting network
A set of connected things or parts forming a complex whole, in particular
a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going"
(physical chemistry) a sample of matter in which substances in different phases are in equilibrium; "in a static system oil cannot be replaced by water on a surface"; "a system generating hydrogen peroxide"
A set of organs in the body with a common structure or function
instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity; "he bought a new stereo system"; "the system consists of a motor and a small computer"

forex
Foreign exchange
The foreign exchange market (forex, FX, or currency market) is a worldwide decentralized over-the-counter financial market for the trading of currencies.
The market in which participants are able to buy, sell, exchange and speculate on currencies. The forex markets is made up of banks, commercial companies, central banks, investment management firms, hedge funds, and retail forex brokers and investors.
The foreign exchange (also known as "forex" or "FX") market is the place where currencies are traded. The overall forex market is the largest, most liquid market in the world with an average traded value that exceeds $1.9 trillion per day and includes all of the currencies in the world.