What is taking up my iCloud storage
I am currently running out of storage space on iCloud and don't understand what is taking up all my space. I am only backing up one device, a iPhone 5. It's backup is the yellow portion of the bar (1.95GB). The little orange sliver at the right side of the bar is mail backup (44MB). That all makes sense. However, what is the green "Docs" part which takes up the bulk of my storage space (2.33GB)? What's in there? How do I select what's stored there? How do I reduce it's size?
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iPhone 5, iOS 8.1.3, null