We understand that you probably know what a debit card is, but some people still don’t know it's true definition. A debit card is a plastic card that is used by consumers to purchase goods as an alternative to cash. Unlike credit cards, debit cards will typically take their funds from your bank account. Although some debit cards can receive their funding through a prepayment program arranged by you and your bank. You will want to cancel your debit card only under certain circumstances, these include the misplacement of your card, or your card being stolen for criminal purposes. When you cancel your debit card you must order a replacement straight away, otherwise, you will be unable to access your funds without the assistance of your bank. Any online retail accounts associated with the card will also have to be changed or they will not be able to access the money you have in your bank account.