What is well formed and valid XML document?

Related questions

1. What is XML Schema and DTD explain XML schema example?
2. What is a valid document in XML?
3. What is XML schema file?
4. What are the three main types of XML documents?
5. What is the difference between well formed XML and valid XML?
6. What is XML Schema instance?
7. What is XML DTD explain?
8. What language is used for defining XML schema?
9. What is XML document structure?
10. What is the use of namespace in XML?

Tags

1. #within
2. #start
3. #nesting
4. #contain
5. #corresponding
6. #these
7. #certain
8. #element
9. #specified
10. #called
11. #document
12. #satisfies
13. #other
14. #proper
15. #rules
16. #elements
17. #formed