Good work you are doing!
Your next task is a little demanding : Firstly you have to watch all these video-lessons
https://www.youtube.com/watch?v=6y1cd-ye1loç
https://www.youtube.com/watch?v=_c39Mwd76gs
https://www.youtube.com/watch?v=1ARnl_XRntA
Afterwards you would have to think about and write down ten questions on the topic. I´ll answerd for you the best of them.