When we say something is valid, it’s like saying it makes sense or is correct. Imagine you have a puzzle. Each piece has a special place where it fits perfectly. When a piece fits just right, it’s like saying the piece is valid because it belongs there and helps complete the picture.
Think about playing a game where you have to follow rules. If you follow the rules, your move is valid. It’s like when you play tag and touch the base to be safe. Touching the base is a valid move because it follows the game’s rules.
Another way to think about it is when you have a ticket to ride a train. If your ticket is for the right train and the right day, then your ticket is valid. It means you can use it to ride the train without any problems.
So, when something is valid, it means it fits, follows the rules, or is just right for what it’s supposed to do.