Not to forget that there are (at least) two meaning to the word "banner"..

1 - a flag, a poster, a strip of cloth flying in the wind, an advertisement (occasionally towed behind an aircraft)...

2. Someone or something who bans you from doing something EG, a bouncer at a club: "No, you can't come in! (unless you slip me a little something, of course)"..

Cheers,
Diolma