"Plot exposition" refers to the part of a story or narrative where important information or details are provided to help the audience understand the plot, characters, or background of the story. Full definition
I really like the dancing toaster, which is one of film's most memorable moments to me, and expertly turns plot exposition into visual spectacle. (noiselesschatter.com)
Shyamalan compresses a ton of plot exposition in every line and the resulting heavyosity is too much for the younger actors to carry. (philly.com)
Yes, there was a lot of dialog, but it was cleverly used for plot exposition and to further detail the characters; it wasn't used in lieu of gameplay; and it was done well. (metacritic.com)