Is there a difference between a banner and a banner?

there is a difference between banners and banners.

a banner is a vertically hanging strip of calligraphy and painting. A single banner is called a single bar, and a group is called a screen bar, such as four screens.

banners are horizontal calligraphy and painting, slogans, pennants, etc.

I hope the above information can help you solve the problem. Please feel free to let me know if you have any other questions.