Won't let me paste a picture so hopefully you can get the answer from what I am trying to say.
Your content pane is located in your computer/documents window explorer.
If you are in your computer window explorer, it will be the portion that shows you what you have installed on the computer. This portion includes the Hard Disk Drives, Devices with Removable storage, and your Network Locations.
If you are in your Documents window explorer, it will be the portion of the window that shows you what files and folders you have in this section.
Content Pane
in the windows explorer window, what appears in the right pane when you click a folder in the left pane?
Yes, Allmost every Windows Distribution has default navigation or other optional panels in the Explorer Window, You can disable all of them if you want.
a royal pane. it is a stupid joke :|
Left pane or Navigation pane
Single pane or Regular windows would be a great idea if you are on a strict budget. Wit this economy in this day in age, we have to resort to taking the cheap road to make ends meet. Double pane's run more high and they also make your windows a bit heavier in comparison to single pane windows.
oxygen
The contents pane is the section between the Menu options on the left and the Preview pane on the right side.
Pane
Pane
Yes. Dual Pane = TWO pane. More is always better.
tree pane is a portion of windows explorer that shows all drives and sub drives