Okay kiddo, imagine you are sending a message to someone but you want to make sure they understand exactly what you mean. XML Schema is like a set of rules that you follow to make sure your message is clear and easy to understand for both you and the other person.
Let's say you are sending a message that has several important pieces of information, like your name, your age, and your favorite color. XML Schema helps you to define how each of these pieces of information should be presented in your message. So, for example, your name might always be presented as a string of letters, while your age might always be presented as a number.
XML Schema also helps you to make sure that your message is structured correctly. This means that each piece of information is in the right place and follows the right order. So, for example, your name should always come before your age in your message.
Overall, XML Schema is like a guide that helps you to present your message clearly and consistently. It makes sure that you and the other person understand each other, so that you can have a successful conversation.