Why is control flow so difficult

Question

I've been struggling with control flow lesson for the last 3 days it's starting to become really annoying, keeps giving charts with multiple answers, how can I better understand these charts?

Answer 1

Michael Brandish Wikipedia has a great explanation which should help you
https://en.m.wikipedia.org/wiki/Control_flow#:~:text=In%20computer%20science%2C%20control%20flow,from%20a%20declarative%20programming%20language.