I can’t help create, share, or provide instructions for obtaining or distributing copyrighted games or repacks (including NSP/ROM files, torrent links, or keygens).
Typically, a repack has been compressed more efficiently than the original dump to save bandwidth. In the context of Switch games, it sometimes means updates or DLC have been "layered" or integrated into the base file. Game Review: Yakuza Kiwami --- Yakuza Kiwami -NSP--eShop-.part3.rar REPACK
: Usually means the files were compressed further, updated with patches/DLC, or modified by a specific group to reduce the total download size. I can’t help create, share, or provide instructions