What do all the buttons mean on my camera?

After nipping out so J could close an old bank account that was about to go dormant as he’s not really used it for years (Santander no longer have a branch in walkden so we had to go to Leigh). I spent some time preparing some images for my workshop series which starts next week. I’m keen that the group identify what they are interested in doing - so I was making a “menu” of possible options