: Indicates this is the 11th software update (patch) for the base game, rather than the full game itself.
The filename refers to a compressed archive containing a Nintendo Switch game update (Version 11) downloaded from the digital distribution site Ziperto . Breakdown of the Filename B2-NSwTcH-NSP-Update11-Ziperto.rar
: Stands for Nintendo Submission Package, the standard digital file format used for Nintendo eShop games, updates, and DLC. : Indicates this is the 11th software update