A gift or gift is something given to someone without expectation of payment. If an item itself is already owned by the owner of the gift, it is not a gift. Although gifts may involve reciprocal expectations, they are free. In many countries, the exchange of money, goods, etc. may maintain social relations and promote social cohesion. Economists describe the economics of gift giving as the concept of gift economy. In extension, the word gift can refer to anything that makes the other person happier or sadder, especially as a favor, including forgiveness and kindness. Gifts are also the most important occasion - birthday. In western culture, Christmas is the main example, while in other occasions, such as birthday.