Valentines are cards or gifts exchanged between people to express love and affection, especially on Valentine's Day, celebrated on February 14th. This tradition dates back to the Middle Ages and has evolved over time, incorporating various symbols like hearts, roses, and Cupid. On this day, people often give chocolates, flowers, and handwritten notes to their partners, friends, or family members. The celebration is popular in many countries, with different customs and practices, but the central theme remains the same: celebrating love and connection between individuals.