When you reset your iPhone 5s to factory setting does it delete every single thing on your phone?

When you reset your iPhone 5s to factory setting does it delete every single thing on your phone?

Pretty muuch it means that you can reset the phone to the condition they sold it to you(software), so ya, all of your data is going to be deleted

No data or media will be deleted!

Just resets your phone settings.

Yes, but if you have iCloud set up, you can also restore your phone just like it was before.