Money fund refers to a fund that invests in money market instruments; Bond fund refers to a fund with bonds as its main investment object; The investment target of hybrid funds is not necessarily (both stocks and bonds can be used); Stock fund refers to the fund with stocks as the main investment object; Index funds and ETF funds are funds that invest in special indexes; Linked funds are funds with ETF as the tracking target; Futures fund refers to the fund with futures as the main investment object; Option fund refers to the fund with options as the main investment object.