The world community is like a big group made up of all the people who live across the world in different countries. Just like how you have friends in school or people who live in your neighborhood, people from all over the world come together to form this big group.
When you have friends in school, you all have to learn to get along together and work together to make the school a better place. The world community has to do the same thing but on a much bigger scale. They work together to make sure that the world is a safe and fair place for everyone to live in.
Sometimes, when people don't get along with each other or when there's a big problem in one part of the world, the world community tries to help out. Just like how your parents or teachers help you when you have a problem, the world community tries to help out by sending aid or working together to solve the problem.
It's important to remember that even though we all live in different parts of the world and have different traditions and beliefs, we are all part of the same world community and we have to learn to work together to make it the best it can be.