Traditional grammar is like a set of rules that we use to make sure we speak and write sentences properly. It's like following a recipe when we cook something, so that we don't add too much salt or forget an important ingredient.
Just like we learn the letters of the alphabet and their sounds, traditional grammar teaches us about the parts of a sentence and how they work together. For example, we learn about nouns (words that name things like "dog" or "house"), verbs (words that show action like "run" or "jump"), adjectives (words that describe things like "big" or "happy"), and many other parts of speech.
Traditional grammar also helps us understand how to put these different parts of speech together to make a sentence. We learn about subjects (who or what the sentence is about) and predicates (what the sentence says about the subject), and how to use different types of punctuation marks to show the meaning of our sentences.
By following these rules of traditional grammar, we can make sure that we are using language in a way that is clear and easy for others to understand. It's like playing a game where we all agree to follow the same rules, so that everyone can have fun and play together.