Arr.719.720p.wb.x265.yourserie.com.mkv -

: The video codec (HEVC). This is a modern compression standard that provides high visual quality with much smaller file sizes compared to the older x264 codec.

: Short for Web-DL or Web-Rip , meaning the source was a streaming service like Netflix, Amazon, or Hulu. arr.719.720p.wb.x265.yourserie.com.mkv

: The Matroska Multimedia Container, which supports multiple audio tracks and subtitle streams. : The video codec (HEVC)