E-Cards, or electronic cards, are digital greetings that can be sent via email or social media. They often feature colorful designs, animations, and personalized messages, making them a popular choice for celebrating occasions like birthdays, holidays, and anniversaries. E-Cards can be created using various online platforms, allowing users to customize their cards with images, text, and music. Unlike traditional paper cards, E-Cards are environmentally friendly and can be sent instantly, making them a convenient option for those who want to connect with friends and family. Many websites offer free E-Cards, while others provide premium options for a fee, enhancing the variety available to users.