Question

what kind of poster?

Answer 1

A poster is any piece of printed paper designed to be attached to a wall or vertical surface. Typically posters include both textual and graphic elements, although a poster may be either wholly graphical or wholly text. Posters are designed to be both eye-catching and informative. Posters may be used for many purposes.

See more on this subject:

https://en.wikipedia.org/wiki/Poster