"Armistice" is a really big and important word used to describe a big change that happens during a war. When two groups of people are fighting, sometimes they get really tired of fighting and hurting each other. So, they decide to stop fighting for a little while to take a break and talk about how they can end the war. That's what an "armistice" is. It's like a timeout during a big game where both teams agree to stop playing for a little while to talk about how to end the game. During an armistice in a war, both sides agree to stop fighting for a while, so they can figure out a way to stop the war altogether. It's an important and hopeful step towards peace.