Tunisian Arabic is a language that is spoken in the country of Tunisia. It is different from the Arabic language that is spoken in many other countries because it has its own unique words and grammar rules.
Think of it like this: just like how you might have your own special words and sayings that you use with your friends and family, Tunisian Arabic has its own special words and sayings that are unique to Tunisian culture.
It can be a bit tricky to understand and speak Tunisian Arabic if you're used to speaking a different kind of Arabic or another language altogether. But if you take the time to learn it, you'll be better able to communicate with the people of Tunisia and understand their rich and vibrant culture!