Use the Amazon gift card to shop your favorite item on the Amazon catalog under the terms and conditions of the gift card. You need to add the gift card value to the gift card balance using the amazon.com/redeem page. You need to enter the redeem code of the gift card and then you will be able to use the gift card value during your shopping. Follow the process to redeem the activation process to redeem the Amazon gift card value via amazon com redeem URL.