You can write your topic however you want, but you need to answer these questions:
What do you want to achieve? Keep it simple and clear! I want to achieve understanding of metatables and their purpose.
What is the issue? I do not understand metatables. I just don’t see any purpose in using them.
What solutions have you tried so far? Did you look for solutions on the Developer Hub? Definitely. I looked at many developer hub posts and community tutorials, but I still do not see any purpose of using metatables.
Not finding a purpose is fine! Many won’t find a purpose because they just aren’t necessary a lot of the time.
But generally their purpose is to allow for putting logic behind regular objects, which allow for powerful constructs such as operator overloading which are used extensively throughout the Roblox engine.
Generally you shouldn’t write “clever” code with metatables. And avoid magic (like __call) functions.