What's the difference between wallpaper and theme?

Related questions

1. What is the size of a desktop wallpaper?
2. How do I get my wallpaper to fit on my iPhone?
3. What are the disadvantages of wallpaper?
4. What are themes in Powerpoint?
5. What's the difference between wallpaper and screensaver?
6. Who created wallpaper?
7. Can I download wallpapers for my iPhone?
8. Is 14 inch laptop too small?
9. What is wallpaper on a phone?
10. How do I save my wallpaper to my gallery?

Tags

1. #theme
2. #sound
3. #alert
4. #mobile
5. #wallpaper
6. #title
7. #include
8. #colors
9. #pictures
10. #scheme
11. #sometimes
12. #sounds
13. #screensaver
14. #specific
15. #pointer
16. #phone
17. #icons
18. #create
19. #together
20. #mouse
21. #computer
22. #uniform
23. #chosen
24. #themes