To trade in the forex market successfully you should forecast price behavior on the chart. One of the instruments for this kind of job is technical analysis. Technical analysis is a method of price movement forecasting on the base of price movement history. Studying movement history where the price will go in future. As you may have guessed the main object of technical analysis is a currency rates history or price movement chart. The price movement chart is built on axes where the vertical axis shows a price and the horizontal axis shows time. There are some price types where you can find some repeating patterns. If you have studied and remembered them you will be able to forecast charts based on building method and time intervals. At first let us review the difference of charts based on building method. The simplest one is a line chart which displays price changes in single prices connected with a line. These prices are fixed on the chart when time interval ends and each new price is connected by a line with a previous price. It looks as follows: