: Often a shorthand used by specific release groups to mark their distribution. Technical Context

: NSP files are digital installation packages that work similarly to how software is delivered via the Nintendo eShop . They contain encrypted game data blocks (NCAs) and metadata.

: A common abbreviation for the Nintendo Switch console platform.

: Indicates that this specific file is a software update (patch) rather than the base game, with "31118418" likely being the build or version identifier.