The phrase "small credit card" typically refers to a standard-sized credit card that is smaller than other types of cards, such as a business card or a gift card. It may also refer to a credit card with a lower credit limit, which makes it suitable for those who have a limited credit history or a low income. In any case, the phrase "small credit card" generally implies a more compact and potentially less powerful form of payment compared to larger or more robust forms of plastic.