Stock Exchange is the place where buyers and sellers can trade shares with the help of intermediaries as Brokers. Stock trading is a business where people like to make profits by buying shares at lower prices and selling them at higher prices. BSE and NSE are both stock exchanges which allows people to trade shares listed in it. Long position is having a bullish view in a stock. Long unwinding is closing the long position. Short position is having a bearing view in a stock. Short covering is closing the short position. Stock trading is gambling if anyone risks more for the reward they expect to earn. Stock trading is business if one expects reward more than the risk he takes. Trade plan is planning beforehand what is the entry levels, the target prices, the stop loss price and the number of quantity to be traded.