Okay! So, when we say "it's fun," we are talking about something that makes us happy or something we enjoy doing. Imagine playing your favorite game or riding a swing at the park. When you’re having a great time and smiling, that means it’s fun!
Sometimes, fun things can be playing with friends, drawing, or even eating yummy ice cream. They can make us laugh and feel excited! So, when someone says "it’s fun," it’s like saying we're having a good time!