Valentine's cards are special greeting cards exchanged on Valentine's Day, celebrated on February 14th each year. These cards often express feelings of love, affection, and friendship. They can feature romantic messages, poems, or simple notes, and are typically decorated with hearts, flowers, and other symbols of love. People of all ages give and receive Valentine's cards, making them a popular tradition. While many cards are store-bought, some individuals prefer to create handmade cards to add a personal touch. The act of giving a Valentine's card is a way to show appreciation and strengthen relationships with loved ones.