Trend lines are drawn on charts to help predict the general direction of price.It also help to determine good entry and exit point.they also help to see the reversals.
Understanding Trendline is very much essential in forex and it has been one of the most important tools for the traders in this market. Trendline is generally used for trading and when we invest money in the market then it moves according to the market if market goes up then trendline becomes uppish and if market goes down then the trendline also changes it way to downward movement. proper knowledge and experience about trendline is very important specially for long term traders.