: Specifies the resolution (Full HD) and file container (Matroska Video).
While the exact series for "bb" is not explicitly defined in single search results, this naming convention is common for long-running television shows or reality series. In this context: world4ufree-wiki-bb-s16-e22-1080p-mkv
: Often signifies that the source or encoding team used metadata from a wiki or specific database for the release. : Specifies the resolution (Full HD) and file