PlayStation Plus is a subscription service package available on PlayStation Network.
You can purchase a one-year or 90-day subscription for PlayStation Plus from PlayStation Store.
[Online Storage] is a feature under Game > [Saved Data Utility (PS3™)] .
Automatic trophy synchronization
[Automatic Update] is a feature under Settings > [System Settings] that can be used by PlayStation Plus members.
Everything you need to know about backing up your game save data on your PS3 using Online Storage.
All you need to know about the premium subscription that lets you get even more value from your PlayStation 3.