Why is the cross the most famous Christian symbol? What does the advent wreath represent? Why do we get ashes on our foreheads on Ash Wednesday? And what is a rosary? Why do we light candles? These are just a few of the 25 questions that people often ask themselves in relation to the signs and symbols of the Catholic faith. Read the answers in this booklet to learn more about signs and symbols in general and the Catholic faith in particular.