What is an image overlay?

Related questions

1. What is mouse over effect?
2. What does hover over mean?
3. What does & in CSS mean?
4. What does a hover do?
5. Why do birds hover in one spot?
6. How do you use hover in a sentence?
7. How do I make text hover over an image?
8. What is Hover CSS?
9. What do hummingbirds symbolize?
10. What is the text called when you hover over a picture?

Tags

1. #originals
2. #document
3. #applications
4. #multiple
5. #merged
6. #overlay
7. #output
8. #digitally
9. #occur
10. #actual
11. #process
12. #printing
13. #images
14. #printed
15. #allows
16. #digital
17. #information
18. #technology
19. #image
20. #before