What types of message cards are there?

Message cards come in various types, including greeting cards for occasions like birthdays and holidays, thank-you cards, sympathy cards, and blank cards for personalized messages. They can also be categorized by style, such as humorous, inspirational, or artistic designs. Additionally, there are digital message cards that can be sent electronically for convenience. Each type serves a unique purpose, allowing people to express emotions and sentiments in different contexts.