Accidentally Delete iCloud Data?

Hi,

I use iCloud for Windows. When I try to sign-out of iCloud on PC, it displays a message:

"If you turn off iCloud Drive, all documents stored in iCloud will be deleted from this PC."

I'm worried that if I click on "Delete from PC" - it will delete the mail, photos, documents, and game saves I have stored in iCloud. Can someone confirm if I can click on this?

I included a screenshot below for your reference.

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