Awrah is a special word that means parts of your body that should be covered up in public. It's kind of like wearing clothes to protect your body but it's also about being modest and respectful to yourself and others around you.
For boys, their awrah is from the belly button to the knees. This means that when they're out in public, they should wear clothes that cover these parts.
For girls, their awrah is a bit more complicated. It's said that everything except for the face, hands, and feet should be covered. This means that girls should wear long clothes that cover their arms and legs, and they should also wear a scarf or hijab to cover their hair.
These rules can be different depending on where you are and what culture or religion you follow. But the important thing to remember is that awrah is all about being respectful and modest in public.