Forex Bar Chart

bar chart
a chart with bars whose lengths are proportional to quantities
(Bar Charts) a popular format for studying the price action of currency pairs.
(Bar Charts) Standard bar charts are commonly used to convey price activity into an easily readable chart. Usually four elements make up a bar chart, the Open, High, Low, and Close for the trading session/time period.

forex
The foreign exchange market (forex, FX, or currency market) is a worldwide decentralized over-the-counter financial market for the trading of currencies.
Foreign exchange
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.
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.