You forgot to mention the tiny intricate runes we cover the slice of rock with.

“Condemn” or “condone”? While similar sounding, those two words have basically opposite meaning. Yay English!

DE is for “Desktop environment”. Most distro let you choose from quite a few. The two best known one are Gnome and KDE, i believe. But there are many more.

“Desktop environment” might just be two words without much meaning to you. If that the case, in the linux context, a desktop environment is basically the GUI to your computer: file explorer, desktop, taskbar, general setting manager and so on.