Do you know what the mag stripe on the back of your credit card is for? Or how to find your card security code? Despite its small size, a credit card carries a lot of details and features on it, all of which are important for a cardholder to know—however, most individuals remain unaware of their significance. In addition to physical details, credit cards also offer their own cardholder agreement details, which vary from card to card; these details are crucial to understand when choosing and using a card. From identification numbers to bill payment to interest rates, all the credit card basics are covered here. Check it out in the infographic below.