Please slow down, do some more reading and searching, experiment more with your site. There are multiple approaches to banners described in the linked topic above.
Until you have people to support in your community you can just try settings out to figure out what they do. If you try something and get stuck, feel free to ask, but don’t just take screenshots of the interface and ask about them without doing a little research or trying them out. You can also ask basic questions to our bot on ask.discourse.com.