Indicates the North American region version of the game.
The identifier you're looking for refers to a specific digital distribution of for the Nintendo Switch. Based on the naming convention, File Breakdown LILNGHTMRE2-(USA)-NSwTcH-NSP-Ziperto.part2.rar
This indicates the file is part of a larger "split" archive. You would need part1 (and any other subsequent parts) in the same folder to successfully extract the final game file using software like WinRAR or 7-Zip. About Little Nightmares II Indicates the North American region version of the game