Which option best describes a Bank Card?

The best description of a Bank Card is that it is a financial card for purchasing goods. Bank cards, which include both debit and credit cards, are primarily used for transactions where consumers can make purchases at various retailers or online. These cards allow users to access their funds directly from their bank accounts or extend credit to buy products and services.

In contrast, the other options do not accurately capture the primary function of a Bank Card. A card for loan applications only serves a different purpose aimed at consumers seeking credit, not for everyday transactions. A credit score identification card does not exist in a practical sense; instead, credit scores are numerical representations of creditworthiness, not tied to a specific physical card. Finally, a savings account withdrawal card typically refers to an ATM card that allows users to withdraw cash from their savings account but does not encompass the broader purchasing capabilities of a standard Bank Card. Thus, option B captures the essential function of a Bank Card effectively.