: The source of the footage. This indicates the video was captured (ripped) from an online streaming service rather than a physical disc or a direct digital download (WEB-DL).
: The video compression standard used (also known as HEVC). This allows for high-quality video at a much smaller file size than the older x264 standard. Lego.Masters.US.S03E13.720p.WEBRip.2CH.x265.HEV...
: Refers to the audio channels, meaning this file has 2-Channel Stereo sound. : The source of the footage
If you are looking for the full typical filename used by release groups, it would likely end with a group tag, such as: or -AMZN such as: or -AMZN