: This is the "release group" tag (SVA), a signature used by the group that ripped and distributed the file. Where to watch legally:

: Episodes are often available for streaming shortly after they air (provider login may be required).

: Specifies the video compression standard (H.264/MPEG-4 AVC) used to encode the file.

The text is a typical formatting string used in file-sharing and streaming contexts to identify a specific television episode. Breakdown of the string: Grey's Anatomy : The name of the television series.

: Often carries the most recent seasons and the full library in many regions.

: Refers to Season 16, Episode 5. The episode title is "Breathe Again," which originally aired on October 24, 2019.