The black box is called the Artboard (equvalent to the page or the bit that will be outputted)
To Remove
- View > Hide Artboards
Bounding Box
A Bounding Box is the grouped slector for an object. it is not the artboard (ie the blackbox denoting the page)
Remove Bounding Box
- View > Hide Bounding Box. (toggle on and off)
Bounding Box Links