I like doing these threads so I will finally contribute. You can do this no matter your hair length, but obviously long hair is easier
I did not find a good graphic for thin vs coarse hair, but this method should work:
> All you need to do is take a single strand of hair between your fingers. If your hair is not easy to see or feel between your fingertips, you have fine hair texture. If you can feel the hair, it's medium texture. And if you feel a strong, thick strand, you have coarse texture.
For your hair pattern, you can use these:
https://i.ibb.co/NKJm77w/IMG-0273.gif
https://i.ibb.co/800rp09/IMG-0274.jpg