What is the difference between Ubuntu desktop and server?

Related questions

1. Is XFCE a gnome?
2. What is the difference between Gnome KDE XFCE and LXDE?
3. How do I know if I have KDE or Gnome?
4. What is Gnome and KDE?
5. Is Gnome an OS?
6. Which is better LXDE or Xfce?
7. What is Gnome KDE?
8. What is Gnome runtime?
9. What is the difference between desktop and Windows?

Tags

1. #video
2. #desktop
3. #outputs
4. #ubuntu
5. #server
6. #environment
7. #installs
8. #graphical
9. #therefore
10. #includes
11. #interface
12. #while
13. #difference
14. #lacks
15. #machine
16. #assumes