Pacman-msumplus-(usa)-nswtch-nsp-[5dlcpack]-zip...

: Refers to Pac-Man Museum+ , a collection of 14 classic Pac-Man titles.

: Indicates the North American region version of the game. PACMAN-MSUMPLUS-(USA)-NSwTcH-NSP-[5DLCPack]-Zip...

: Includes five pieces of Downloadable Content (DLC), which for this game usually includes in-game stickers and figures for the virtual gallery. : Refers to Pac-Man Museum+ , a collection

The text you provided, , appears to be a specific filename for a Nintendo Switch (NSwTcH) game backup. Based on the naming convention, : Refers to Pac-Man Museum+