A farce is like a really silly and over-the-top play or movie where everything is like a big joke. It's like when you and your friends are pretending to play and you're making really silly noises and pretending to fall down and be clumsy. In a farce, the characters might be doing things that are really unlikely or ridiculous, like trying to hide in a tiny closet together or pretending to be someone else by wearing a big disguise.
Farces can sometimes seem really chaotic or confusing because there's so much silliness going on all at once. But that's part of what makes them funny! When you watch a farce, you might find yourself laughing a lot at all the wacky stuff going on. So, just like when you're playing with your friends and being silly, a farce is a way to have fun and relax by not taking things too seriously.