When characters in a story discuss other characters, this is an example of: direct characterization
plot
conflict
indirect characterization

direct characterization

Explanation:

I think this would be direct characterization because Direct characterization, also known as explicit characterization, consists of the author telling the audience what a character is like. A narrator may give this information, or a character in the story may do it. Examples of direct characterization would be:

to tell its entire story in one shot literally. for manga they do one shots and tell a story in about 15+ pages in very powerful