2. Monetary fund is an open-end fund that collects idle funds from the society, is operated by the fund manager and kept by the fund custodian. Different from other types of open-end funds, money market instruments that specialize in investing in low risks have the characteristics of high security, high liquidity, stable income and "quasi-savings".
3. Fund income is the part of fund assets that exceeds their own value in the process of operation. Specifically, fund income includes dividends, bonuses, bond interest, price difference between buying and selling securities, deposit interest and other income.