Okay kiddo, do you know what a computer program is? It's like a set of instructions that tells the computer what to do, just like a recipe tells you how to make a cake. Vala is a special programming language that we use to make computer programs.
Now, when we talk about the "state" of a program, we mean the values of all the variables and objects that the program has at a particular moment in time. It's like taking a snapshot of the program's "memory" in action.
Vala state is all about keeping track of this snapshot. When a program is running, its state is constantly changing as it performs different tasks. Vala keeps track of this by storing all the variables and objects in a specific way, so that they can be easily accessed and updated.
Why is this helpful? Well, by keeping track of the state, we can make sure that the program is doing what it's supposed to be doing at all times. If we didn't keep track of the state, the program might get confused and give us the wrong results!
So, in summary, vala state is all about monitoring the values of variables and objects in a program as it runs, to make sure everything is working properly.