A research poster is a way to visually show the results of your research at a quick glance. Posters are typically full of visuals such as images, tables, and graphs. They cover the main points of the research in brief summaries and bullet points. It’s the quick pitch of research dissemination.

Typically, posters are displayed at conferences in “poster sessions” aimed to share new research efficiently. Because posters are mostly viewed in passing, the font should be large enough to be read from several feet away and catch the interest of the reader quickly. This is generally done through:
The following guide on how to design a research poster has excellent tips: https://guides.nyu.edu/ld.php?content_id=82268972
Another good resource on academic posters is: https://guides.library.yale.edu/academic-poster-resources/basics