Hello ! I made a template for my Joomla website, but i forgot to configure for each part (page, blog, ...). It's seems to me that it's a little complicated when we don't need to have different...

i'VE BEEN PLAYING WITH THIS SOFTWARE FOR OVER A WEEK. I'M TEARING MY HAIR OUT. PLEASE GIVE A CLEAR CONCISE EXPLANATION OF EXACTLY WHAT EACH BUTTON DOES IN THE IMAGE...