: The resolution (1920x1080 pixels), providing "Full HD" clarity.
: The audio format (Advanced Audio Coding), which provides efficient, high-quality sound. Harbinger.Down.2015.1080p.BRRip.x264.AAC-ETRG
: The tag for "ExtraTorrent Release Group," the group that originally encoded and distributed this specific version. Why This Release is Popular : The resolution (1920x1080 pixels), providing "Full HD"