Very bad design

I got the answer due to previous hints. Even though, I still can't understand why. Anybody can PM me or let me know the exact method in getting it? I don't need hints anymore, just an explanation

I tried that already, the issue is I can't see a thing. What i saw is only

This is ridiculous. Not belittling the puzzle, but it is 1 of the puzzles that is unclear and I still can't see a single thing even after following the hints. Someone please PM me to offer help, thanks