: In some cases, Google Drive may create hundreds of folders starting with "S-1-5-21" during synchronization with Windows 10; these are standard security identifiers and not related to intentional user content.
: These drives often host 4K upscaled wallpapers, screenshots, or episode-related assets for popular series like Arcane .
In media circles, "S1" typically denotes "Season 1" of a television show or series.