: This is the name of the website/source where the file was hosted or uploaded.
File Breakdown: "CULTOTLMB-(USA)-NSwTcH-NSP-Update104-Ziperto.rar" CULTOTLMB-(USA)-NSwTcH-NSP-Update104-Ziperto.rar
This file name refers to a digital package for on the Nintendo Switch. Based on the naming convention, : This is the name of the website/source