Fund broadly refers to a certain amount of funds set up for a certain purpose. It mainly includes trust and investment funds, provident funds, insurance funds, retirement funds and funds of various foundations.

From the accounting point of view, capital is a narrow concept, which refers to funds with specific purposes and uses. The fund we are talking about mainly refers to the securities investment fund.

Open-end fund refers to an investment fund whose scale is not fixed, but which can issue new shares or be redeemed by investors at any time according to market supply and demand.

Closed-end fund is relative to open-end fund, which refers to the investment fund whose fund size has been determined before issuance and remains unchanged within the specified period after issuance.

Balanced fund refers to a fund whose investment goal is not only to obtain the current income, but also to pursue the long-term appreciation of the fund assets, and to disperse the funds into stocks and bonds to ensure the safety and profitability of the funds.