Okay kiddo, let me explain the meaning of "siddiqui".
"Siddiqui" is a name or surname that people may have. We all have names that our parents give us and it helps us identify who we are. When people have the name "Siddiqui", it might mean that their family originally came from Arabic, Urdu, or other cultures where this name is common.
It's just like how your name might be "Sarah" or "Samuel". Some names are more popular in different countries, and "Siddiqui" is one of those names that you might hear more often in certain parts of the world.
So, in short, "Siddiqui" is just a name that some people might have, and it helps us recognize them and their family.