what is the difference between a debit card and a credit card?

Brief Explanations:

A debit card deducts money directly from a user's bank account for purchases. A credit card allows users to borrow money from the card - issuing bank up to a certain credit limit, which needs to be repaid later with possible interest.

Answer:

A debit card uses funds directly from a bank account, while a credit card allows borrowing money from the card - issuer that must be repaid later.