Okay kiddo, have you ever seen traffic signs when you're walking or driving on the roads? They are the big colorful signs that show you what to do or what not to do on the road. You know, like the ones that say "stop" or "yield".
The Vienna Convention on Road Signs and Signals is like a set of rules that many countries around the world agreed to follow when they make their traffic signs. It's like they all decided to speak the same language when it comes to traffic signs, so people from different countries can understand them when they travel to other places.
For example, if you see a sign with a picture of a person walking on it, you would know that it's telling you that there is a crosswalk ahead and you should be careful not to hit anyone. And you wouldn't have to learn a new language or ask someone what the sign means every time you visit a different place.
The Vienna Convention also sets standards for the shapes, colors, and sizes of the signs, so they are easy to see and understand. Think of it like a giant coloring book for grown-ups!
So basically, the Vienna Convention on Road Signs and Signals helps everyone follow the same rules when it comes to traffic signs, and makes it easier and safer for people to travel from one place to another.