What does PX mean in size?

Related questions

1. What is PX medication?
2. What is PX size?
3. Is PT and PX the same?
4. What does 12pt mean in Word?
5. How do you calculate font size in pixels?
6. What is the difference between PT and PX?
7. How do I convert PT to pixels in Photoshop?
8. What size font is 3.5 inches?
9. What is difference between em and px?
10. What is the difference between EM and PX?

Tags

1. #background
2. #length
3. #pixel
4. #concerned
5. #quantity
6. #definition
7. #equal
8. #image
9. #useful
10. #authoring
11. #unscaled