What is XML and use of XML?

Related questions

1. What are XML files used for?
2. What is XML schema used for?
3. Where XML is used in applications?
4. How do XML files work?
5. Does XML care about whitespace?
6. What are advantages of XML?
7. What is the alternative for XML and what are its advantages over XML?
8. What is DTD XML?
9. What is the main use of XML?
10. What is an XML schema file?

Tags

1. #language
2. #formats
3. #standard
4. #public
5. #create
6. #markup
7. #share
8. #structured
9. #contain
10. #internet
11. #extensible
12. #networks
13. #symbols
14. #information
15. #electronically
16. #contents
17. #describe
18. #flexible
19. #corporate