Checks provided by your credit card company that you can use to access your available credit. These checks often have different rates and terms than your standard credit card charges.
A feature of some card accounts that lets you write a check against your credit line. Basically the same as a cash advance.
A convenience check works like a personal check except the amount is charged as a cash advance to your credit card account. This check can be written to your choice of recipients and for any amount up to your available credit limit. These types of checks are posted as cash advances on your credit card statement, and transaction fees may apply.