Realism is like when you draw a picture of your favorite toy, and you try to make it look exactly like the toy, with all the colors and shapes just right. Realism is about making things look like they do in real life, just like your toy in the picture.
Imagine you are playing with building blocks. If you stack them to make a house that looks just like the one you live in, with the same number of windows and doors, that’s a bit like realism. You’re trying to make your block house look real, just like the one you see every day.
Think about when you listen to a story about a princess in a castle. If the story talks about things that could really happen, like the princess having a pet cat or playing in the garden, that’s realism. It’s about telling stories that feel like they could be real, just like the things you see and do every day.