Okay kiddo, so you know how sometimes your friends might argue or disagree about something and they need someone to help them figure out a solution? Well, that's kind of like what the Permanent Court of Arbitration (PCA) does but on a much bigger scale.
The PCA is a group of people from different countries who are experts in solving disagreements between different nations. It's like having a team of superheroes who work together to help people solve their problems peacefully.
So let's say two countries, like Country A and Country B, have an argument about something like a border or a trade agreement. Instead of fighting with each other or going to war, they can ask the PCA to help them find a solution.
The PCA will listen to both sides of the argument and try to come up with a fair solution that both countries can agree on. They use a set of international laws and rules to decide what's right and wrong, just like how your teacher uses rules to decide what's okay or not okay in class.
When the PCA makes a decision, it's final and both countries have to follow it. This helps prevent countries from fighting with each other and promotes peace and cooperation between them.
So, basically, the Permanent Court of Arbitration is like a group of really smart and fair superhero judges who help countries find peaceful solutions to their disagreements without fighting.