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In the finder - iCloud Drive it's an aggregate of folders you created in desktops and documents and in the location system preferences - iCloud - manage storage it will be different .
- Documents: Contains files in your home folder that aren’t included in other categories, such as Pages documents and PDFs. It also includes videos and photos that are not managed by your photo library (for example, an image that a friend shares with you using AirDrop).
- iCloud Drive: Contains all files stored in iCloud Drive. It may also contain files in your Desktop and Documents folders if you store them in iCloud Drive.