: This is a date stamp in the YYMMDD format, indicating the content originally aired on October 17, 2011 .
: The file extension for Audio Video Interleave, a multimedia container format introduced by Microsoft that was standard for XviD-encoded content. Historical Context: Digital Media in 2011
: This specifies the source of the recording , indicating it was captured from a High-Definition television broadcast.
: This identifies the specific episode number (Episode 1).
: Allowing users to sort large libraries of media by date, season, or episode automatically.