Basic credit refers to the credit line determined by commercial banks according to the national credit policy and the basic situation of various regions and customers.

Special credit refers to the credit granted by commercial banks to special financing projects in addition to the basic credit line according to national policies, changes in market conditions and special needs of customers.

1. Credit refers to the funds directly provided by commercial banks to customers of non-financial institutions, or the guarantee of compensation and payment liabilities that may occur to customers in related economic activities, including on-balance-sheet businesses such as loans, trade financing, bill financing, financial leasing, overdraft and various advances, as well as bill acceptance, letter of credit opening, letter of guarantee, standby letter of credit, letter of credit confirmation, bond issuance guarantee, loan guarantee and deposit. Simply put, credit extension refers to the behavior that banks directly provide financial support to customers or guarantee customers' credit in related economic activities to third parties.

2. Credit approval means that after an enterprise issues a loan application to a bank, it submits relevant information to the bank for review. After examination, the bank will give approval, agree or disagree, or conditionally agree to the above application. In the reply, the bank will clearly reply to the credit line, variety, purpose and interest rate agreed by the bank;