A cake is a frosted layered dessert that is baked. Cakes is traditionally served in celebration of someone's birthday. Although cakes are served at many other events, such as weddings and retirements, this particular cake includes candles, which signifies it as a birthday cake. It is tradition to place lit candles on a birthday cake, sing the "Happy Birthday" song and have the birthday person make a wish and blow out the candles. Naturally, this emoji is used most frequently when a birthday is involved.