Strong text and Bold text. Are they practically the same?

Answer 1

Yes they are the same it for making it easy for beginners to add <strong> instead of <b> but to be honest it's easier for me to remember the bold.

Answer 2

Yes.
They ARE the same.
They do the same thing: Thickening the lines used to give that character

Answer 3

yes, but can be different if you choose them to be
https://code.sololearn.com/WCP7YUf6QhW5/?ref=app

Answer 4

Yep