The specific code is a custom tag used by the file uploader (likely referring to the site "SkymoviesHD") to identify the content. Breakdown of the File Name
The text you provided is a file name for a digital download of the first season of the television series . The specific code is a custom tag used
Indicates the source was likely a high-definition stream from Netflix (NF). ESub: Includes English subtitles. mkv: The file format (Matroska). About the Series The specific code is a custom tag used
High-efficiency video coding that provides good quality at a smaller file size. The specific code is a custom tag used