Understanding intraday price movements

In Intraday trading, you never carry overnight positions. In other words, all open positions are exited before the market closes and you will have a net profit or loss based on your trades.
Positional trading is that trading style, where you are ready to carry positions as long as the trade demands for one or more days, weeks or months. The time frame is your choice for positional trading.
the major difference between these two is working capital needs and the risk capacity