Date Backup files will be created, and stored in the cloud I share the link every day on this #[6] and can be restored to any relay

Not just that It also broadcast your up-to-date data to 150 major relays. So it's very unlikely you will lose any data.

Btw the Blue button is for manual one-time backups & black is for auto-backups daily.

You just have to submit your public key once. That's it