Indicates the source was ripped from a streaming service (like Netflix or Hulu). [720p]: The video resolution (1280 x 720 pixels).
The release group (YTS, formerly YIFY) known for high-compression, small-file-size movie encodes. About the Movie subtitle Mara (2018) [WEBRip] [720p] [YTS.AG]
While it is often listed on subtitle repositories, there is no specific "article" associated with this exact release string. Instead, the string describes the technical specifications of the video file the subtitles were synced for: The film title and release year. Indicates the source was ripped from a streaming