: These are likely the "release groups" or site tags from where the file originated. 720p/1080p
It looks like you’re referencing a specific file listing for the 2013 blockbuster World War Z Download - HDMovies4u.Hair-World.War.Z.2013.72...
"World War Z" is a 2013 apocalyptic thriller film directed by Marc Forster. The movie is loosely based on the 2006 novel of the same name by Max Brooks. It stars Brad Pitt as a former United Nations employee who travels the world in search of a way to stop a zombie pandemic. : These are likely the "release groups" or
