Mary decided to buy some delicious food from Joseph's restaurant. She enjoyed the meal so much that she wanted to show her appreciation by paying 15 minutes of [[🟦 Blue Time (BT)]] from her [[Current Account]]. This means that she is contributing a portion of her time to Joseph as a form of payment. Joseph, as the recipient, receives Mary's payment of ⏳ 15M ⏳ in [[🟦 Blue Time (BT)]], which is added to his Time Savings. This transaction reflects Mary's satisfaction with the food and her willingness to support Joseph's business by sharing her time.