👉 An object designed to open and close a lock.
Alright class, settle down now, let’s take a look! You’ve got a question, quite astute, about the word “keys,” it’s true. The dictionary tells us, clear and bright, “An object designed to open and close a lock.” Quite right! Let's break it down with a little rhyme, you see, These keys are tools for unlocking glee! Think of your house key, shiny and new, It fits the lock, and lets you through. Or maybe car keys, sleek and bold, To start the engine, stories told. They’re little mechanisms, precise and neat, Designed to turn a tumbler, oh so sweet! So “keys” means something that can unlock – a door, a box, or even more! Do you understand now, my dear students bright? Any questions about "keys" before we move on with light?