A movie poster is an artifice for promoting that film and is used as a way to promote and draw people's attention so that they decide to watch the film. For this reason, movie posters must contain factors that attract the audience's attention such as a photo of the main characters, images related to the script and some sentence related to the theme that the film addresses.
A movie poster will never have pictures of the main promoters, directors and members of the audience, because that is not attractive to the public.
Absurdism reveals the silliness, or absurdity, of life as a human. In other words, this style shows how pointless or futile it can all be at times...Good luck!~ C: