What resolutions are considered HD?

Related questions

1. What is the lowest HD resolution?
2. What is the resolution of movie theater projectors?
3. What is the highest resolution we can see?
4. Is 1280x800 resolution good for a projector?
5. Whats the difference between 1080p and HD?
6. What is the difference between WXGA and Wuxga?
7. Does 4k content look better on 1080p?
8. Is HD ready better than 1080p?
9. Is Wuxga HD?

Tags

1. #referred
2. #explains
3. #displays
4. #called
5. #width
6. #better
7. #resolution
8. #format
9. #commonly
10. #length
11. #display
12. #monitor
13. #1080p
14. #pixels
15. #choosing