Filtering the terms and conditions of a credit card can be daunting. Language is not always straightforward, and it is not uncommon to feel lost. According to J.D. Power's 2019 Credit Card Satisfaction Study, two-thirds of consumer reports fully understand credit card rewards. However, cardholders have lower scores on satisfaction with the card issuer's interpretation terms than other credit card features and services. But the more you know your credit card, the better your financial decisions will be.