Chapa (name)

Chapa is a name that people use to refer to something, just like how your name is used to refer to you. It's called a nickname. Sometimes, people have a longer or more formal name, but they also have a shorter and more casual nickname that their friends and family use. This nickname can be given to them by someone, or they may choose it themselves. It's kind of like a special word that only means something to them or the people who know it. Does that make sense?