What is the meant of indicator in Meta trader4 or 5

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Forex trading begins in Sydney, and moves around the world Bbtdae the working day, from Tokyo, then London and New York. There are several sessions of trading
Forex - foreign exchange market exchange (currency or forex) is the largest financial markets and most liquid in the world. Where a trade value of five trillion dollars is the day (by April April 2013). Trading in this market includes the sale and purchase of the world's currencies and make profits by taking advantage of differences between the exchange rates and the success but not easily
Forex trading may bring big profits but it is also characterized by a high degree of risk. Anyone can participate in the Forex market through Forex Brokers. Important to choose a good broker
Currency "forex" trading market or foreign exchange trading is the largest financial market in the world, where it is more than $ 3 trillion traded daily. And this market is on the basis of trading in global currencies. One of the most important existing markets online
Forex trading is done by buying or selling "currency pairs", where the rolling trading currency against another. Examples of the major currency pairs: EUR / USD, USD / JPY, EUR / JPY, GBP / Swiss franc, the Canadian dollar pair / US dollar, and others.
Forex is a seriousness there are many possible means and methods used to reduce the risk.