What does a gray rectangle mean onmy home screen of my ipad?

[ashleyjean2104]

Help!! I've had a permanent rectangle on my home screen of iPad and I even have tried restarting it? What does it mean? Or how do I fix it? Suggestions please

 

[KevinJS]

Can you show us a screenshot so we can see better what you have there?

Press home and power buttons together to take the picture.

Sent from my iPad 4 HD mini