as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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describe what a credit card is.
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a credit card is a payment card that allows you to make purchases without having to pay upfront. when you use it for a purchase, you are taking out a loan from a bank and the bank pays the merchant for the goods and services you purchased. you then have to repay the loan within a certain amount of time with interest.
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