In graphical computing, a desktop environment is a graphical user interface that links the end-user to the computer through a series of abstractions of the information processing units. I use the K Desktop Environment since about 2000 or so. I used to rely on fwmv before, which was also great, to some extent, superior to kde, but one cannot remain stuck that much in the past (however superior it was).
What are yours? Here's a list of my favourite settings (in case I forget them myself, which is always the case when I upgrade and find the computer not obeying my thoughts anymore).
Window focus: