The source material was captured directly from a television broadcast feed using a capture card, complete with network watermarks (the Fox "bug" in the corner) and sometimes chopped-out commercial breaks.
The phrase "2009 season 1 complete" indicates that the release contained all 22 episodes of the first season. It was a definitive, all-in-one package for fans to own, even without an official DVD or Blu-ray. glee 2009 season 1 complete tvrip x264 ic exclusive