Okay kiddo, so imagine you're driving down a road and you see a really sharp turn. It's so sharp that you might crash if you go too fast or don't turn the right way. Well, mathematicians have a symbol called the "bourbaki dangerous bend" that looks like a squiggly line with an arrow pointing a certain way. This symbol represents a part of math called topology, which is all about studying the shape and structure of objects.
Now, why is it called a dangerous bend? Well, in topology there are certain shapes that can't be turned into each other without tearing or cutting them. Kind of like how you can't make a square into a circle without ruining it. The dangerous bend symbol tells mathematicians that there's a tricky part of a shape that they need to be extra careful with, because it might not be able to transform into another shape without breaking.
But don't worry, kiddo, this symbol is just a tool that mathematicians use to help them understand the world around us through numbers and shapes. It might look scary, but it's really just a way of exploring the mysteries of the universe in a fun and exciting way.