The string you provided looks like a specific file name or "release name" typically found on file-sharing forums or ROM repositories. Based on the naming convention:
: Indicates this is an update file (Version 1.0.4.4.1) rather than the base game. Zip : The archive format containing the file.
: The file format (Nintendo Submission Package) used for installing games/updates on a Switch.
: Likely the release group or a shorthand for the game title. USA : The region for the software. NSwTcH : Shorthand for "Nintendo Switch."