Credit lines are a type of loan that allows a borrower to access a certain amount of money for a set period of time. They are often used for short-term financing needs, such as purchasing inventory or making payroll. The term 'credit lines' can also refer to the amount of credit available to a borrower from a lender. The crossword solutions for the term 'credit lines' are ROLES, which stands for Revolving Open Line of Credit. This type of loan is a revolving line of credit that allows the borrower to borrow up to a certain amount of money and then repay it over time. The borrower can then use the same line of credit again once the loan has been repaid.