Definition: A system of rules and principles for speaking and writing a language.

Alright class, settle down now, let’s take a look, At something important, a linguistic hook! You asked about "grammar," clear as can be, Let’s break it down for you, just listen to me. The dictionary's right, with words precise and true, It says grammar’s a system, shiny and new – A system of rules, a structured decree, For how we speak and write, for you and for me! Think of it like building blocks, neat and aligned, To help our sentences flow, beautifully designed. It tells us about parts of speech, don’t you see? Like nouns and verbs, and adjectives free! It guides the order, where words should reside, So your meaning is clear, with nothing to hide. Without grammar's guidance, it can be a mess, A jumble of phrases, causing endless stress! So remember this lesson, as you learn and grow, Grammar’s the key to letting your thoughts flow! Do you have any questions about this rhyme? Let me know if anything is unclear.