The video compression standard (H.264/MPEG-4 AVC) used to encode the file.
The source of the video was a High-Definition Television broadcast.
Likely a "tag" or watermark from the website where the file was hosted or distributed. p4: Likely a truncated file extension for .mp4 .
Following the Governor's attack on the prison, the group debates their next move. Andrea, now living at Woodbury, becomes caught between her loyalty to her old friends and her current community. She eventually manages to visit the prison to attempt a peace negotiation, though she is met with deep suspicion from Rick and the others. File Name Breakdown TheWalkingDeadS03E11: Season 3, Episode 11.