: Indicates this is the core game file, not an update (UPD) or downloadable content (DLC).
The string you're looking at isn't a "story" in the traditional sense—it's the filename for a pirated Nintendo Switch game. RT-F2-NSwTcH-[BASE]-NSP-(eShop)-Ziperto.part1.rar
: The file format used for digital Nintendo Switch games (Nintendo Submission Package). : Indicates this is the core game file,