The technical filename refers to the fourth episode of the first season of the Halo television series, specifically a high-definition digital copy sourced from a streaming service.
: Refers to the audio format (Advanced Audio Coding) and the channel configuration (Stereo). Halo.S01E04.1080p.WEB-DL.H264.DUAL.AAC.2.0.mkv
: The resolution (1920x1080 pixels), providing Full HD clarity. The technical filename refers to the fourth episode