How do you use Alt tags in HTML?

Related questions

1. Why do we use hyperlinks?
2. How do you link a tag in HTML?
3. What is a tag in HTML?
4. What does the A tag stand for in HTML?
5. Can href be empty?
6. How do you center text in HTML?
7. How do I open an HREF in a new window?
8. What is blank link?
9. What is anchor tag HTML?
10. Is title an attribute of a tag?

Tags

1. #reader
2. #connection
3. #screen
4. #attribute
5. #error
6. #because
7. #cannot
8. #image
9. #required
10. #reason
11. #alternative
12. #displayed
13. #specifies
14. #provides
15. #information
16. #alternate