A line of credit is a flexible borrowing arrangement where you can access funds on an as-needed basis up to a predetermined limit. Some synonyms for this financial term include credit line, revolving credit, and open-end credit. These phrases indicate that the borrower can continue to draw on the credit as long as they stay within the credit limit and meet the repayment obligations. Other similar phrases include an equity line, which is a type of line of credit that is secured against the equity in a property, and a business line of credit, which is a financial product designed to help small business owners manage cash flow and cover unexpected expenses.