Alright kiddo, I'll do my best to explain "shastra" to you!
You know how your teacher gives you a book to read when you study a new subject? Well, "shastra" is kind of like a very old and special version of that.
In ancient India, knowledgeable people wrote down all sorts of information about life, religion, science, math, and even cooking! They wrote everything in special books called shastras.
A shastra is a really important book because it helps people learn about things they might not know much about. It's like having a really smart person teach you all the time, but in book form!
People still use shastras today to learn and understand the world around them. They help us learn how to live good and happy lives, and teach us important lessons about right and wrong.
So next time you read a book for school, remember that shastras were even more special and important books from a very long time ago!