Right, great, thanks for the explanation. Too easy. Good links, thankyou Neal ManBear (funny name, funny Guy

)
You know menotu, I have considered "making a LiveCD/Remasterit", but it is so easy to Install and Setup a new release .iso an do a fresh install; these just being hobby Computer's, all backed up on Ext HDD's, don't really feel I need the extra pain. Great suggestion though, thankyou.
Ponder Edit...
Openbox ?: I will look at Wikipedia, great site ! ( Do Donate!)
Find the two Desktop Environments don't suit me. Then there's Openbox in my LXDE, easier to research this stuff isn't it, sorry.
Bloody good idea the, "task package (meta package) for a second desktop environment", don't get me wrong. Just here to learn, it's a 'Strange New World', GROK time required.
Safe Surfing guy's !! It's summer here and the swells are rolling in ... nature , so beautiful.
Computers off, fresh air on.