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.
Trenline market ki trend ko determine karne ke liye drag ki jaati hai, agar market ess line ke upar move karati hai to market ko hum uptrend samjhte hai aur agar niche move karati hai to hum phir usko downtrend samjhte hai, trend ko samjhne me ye humari help karati hai.