Almost every movie fits into some category. That category can help to define a film and determine specific attributes. Characters, setting, plot structure and tone can all change or be changed by a movie's category or genre. A movie's genre is a pretty notable characteristic, and sometimes, two features can be in opposite genres and be compared or smushed together in perfect contrast, as seen with this summer's blockbuster event, Barbenheimer.
Source：https://www.cbr.com/movie-genres-list/
