Okay, so imagine you have a timeline where you can put all the important events that happened in your life in order. This is kind of like what the aspro chronology is. A "chronology" is just a fancy word for a timeline that shows all the important events in a certain order. And "aspro" is short for "asynchronous program".
Now, what is an asynchronous program? Well, when you do things in order, it's called "synchronous". So, for example, imagine you wanted to bake cookies. You would first get all the ingredients, mix them together, shape the dough, and then bake them in the oven. This is a synchronous process because you do each step in order.
But what if you wanted to make two batches of cookies at the same time? You can't really do both batches in order at the same time, can you? This is where you would use an asynchronous process. An asynchronous process means you do things at different times, but they still happen in order.
So, taking this back to the aspro chronology. An aspro chronology is a timeline that shows all the important events in a certain order, but those events might not happen at the same time. They might happen one after the other, or they might overlap each other. But we can still put them in order on our timeline so we know what happened when.
For example, imagine we have three events: A, B, and C. A happens first, then B, then C. But, let's say that B and C both take a really long time to happen, and they happen at the same time. We can still put them on the timeline in order: A happens first, then B starts, then C starts, and finally, B and C both finish.
So that's an aspro chronology! It's just a timeline that shows important events in order, even if they happen at different times.