Without the title I would have no idea what was "busy" about this, and even knowing the title, I don't SEE anything. Lighting and focus could be better too. I like your idea (I think) but the execution doesn't do anything for me.
This is not a visually appealing or interesting image for me, it also seems a little out of focus. Perhaps I am just missing the point, I am sorry to comment without leaving any areas I might improve.
took a minute for me to catch what was "busy", cute concept, focus is a little soft, and think it might have had more impact if you could see something through the door, bare leg with high heel, hand in the distance with long red nails, I don't know but something to lead the viewer to the busy concept and help explain the sock. Unfortunately not all voters take the time to study a pic to get the point and vote low because they don't get it.
I am confused by this shot a bit. Not sure what your meaning or application to the challenge is. Beside that the whole image appears fuzzy or out of focus. If intentional, in my opinion, it detracts from the image. Also, I am not sure what I should be drawn to - the sock? on the door or the calendar on the wall. Neither makes much sense to me.