Whats better HD or 1080p?

Related questions

1. Is 720p better than HD?
2. Is full HD better than HD?
3. What's difference between Full HD and HD Ready?
4. What is class FHD?
5. Is full HD better than HD Ready?
6. Is full HD better than 4k?
7. Is 4k better than HD?
8. Can we see HD channels in HD ready TV?
9. Can you really see the difference between 1080p and 4k?
10. Which one is better Full HD or HD ready?

Tags

1. #follow
2. #since
3. #better
4. #nomenclature
5. #short
6. #screen
7. #definition
8. #corresponds
9. #vertical
10. #often
11. #precise
12. #image
13. #pixels
14. #however
15. #indicates
16. #called
17. #number
18. #technically
19. #1080p