1. shorting is an operation mode in the stock and futures markets. For example, when you expect a stock to fall in the future, sell the stock you own when the current price is high, and then buy it when the stock price falls to a certain extent, so the difference is your profit.
2. Short selling is an investment term and a way of operating financial assets. Contrary to bulls, bears borrow the underlying assets first, then sell them to get cash. After a period of time, they spend cash to buy the underlying assets and return them.