A) Displays the images that you have open on your desktop

B) Information on the selected images

C) Thumb nail size -- select the size of thumbnail displayed above

D) Close -- close the selected image on desktop

E) Iconize-- Iconizes the image on desktop

F) rename-- Renames the selected image on desktop

G) Duplicate--Clones the selected image

H) Collapses and expands nodes

I) Activates selected view

J) Closes information panel

As usual you can close by clicking the standard controls at the top or clicking on a empty workspace background