What's the difference between HDR and Ultra HD?

Related questions

1. Is 1920x1080 the same as 16 9?
2. Is 4k and UHD the same thing?
3. What is premium UHD?
4. What UHD upscaling?
5. Is there a noticeable difference between 1080p and 4k?
6. Is Netflix an HDR?
7. Are Ultra HD TVs worth it?
8. Which is best full HD or Ultra HD?
9. Does 4k look better on a smaller TV?
10. Which is better led or UHD?

Tags

1. #between
2. #difference
3. #place
4. #enhances
5. #screen
6. #implemented
7. #contrast
8. #displayed
9. #effect
10. #range
11. #brightness
12. #expanded
13. #visual
14. #color
15. #refers