As shown in the image below, a birthday card is a subset of a greeting card given or sent to a person to celebrate their birthday. A birthday card allows us to connect on an emotional level with the people who have touched our lives as a birthday card expresses all the human emotions, joy, thanks, sympathy, humor, love, and admiration. Online tools like EdrawMax Online lets you create wonderful birthday card diagrams as it provides several icons, background images for cakes, text fonts, and table options. Sending personalized birthday cards with messages like “I’m really happy to be your friends, and hope we can be friends forever. Also, hope you are happy every day!”