A hybrid array is like having two different kinds of Lego blocks that work together. One kind of block is really great at storing lots of information, while the other kind of block is super fast at getting that information when you need it.
Imagine you have a big Lego project to build, but you have two types of blocks to choose from: one kind is really good at holding a lot of information but it's a bit slow to work with, and the other kind is really fast at finding that information but it can't hold as much.
Now, if you use just one of those kinds of blocks, either you have to keep running around to find the right pieces that you need or you have too much information and your project can't be built.
Hybrid arrays solve this problem by combining both of these types of blocks, so you have the right amount of information and the speed you need to finish your project without looking for pieces all around the room. It's like having the best of both worlds!