This was the official description of the week 11 task from the Dogwood Photography Challenge page:

Using Fill the Frame is a great way to isolate your subject and create interest in your photo. Can you do it with only one color in the frame? Fill the Frame with one color.

That can be interpreted in many ways, which are all correct.  The beauty of these challenges is that you can make of them whatever comes to mind.  I wasn’t entirely sure of where to go with this, so I settled with this shot of a globe I recently purchased.  The light gave it all a similar hue and I think it is filling the frame for the most part.