elll_aj Said:
“I meant that the icloud subscription fixed the storage, which would then fix the problems i had with my notes because i thought they disappeared because of a storage issue. Fixing my storage didnt fix my notes though.”
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Read this: What does iCloud Back Up? - Apple Support
iCloud Storage has no affect on your internal storage. Upgrading to an iCloud Stage Plan allows you to back up only certain types of file types(IOW: iCloud doesn’t back up everything).
iCloud would not delete things from your device on its own. The only way an item can be removed by iCloud is if iCloud Drive is enabled on the device’s settings, and you browse through it yourself.
So, as for where these all went, they are somewhere. You just wouldn’t be able to find them in iCloud, unless they were on a computer or some other device that has these Notes files on it, and you browsed through it using iCloud Drive.