What are XML namespaces used for?

Related questions

1. What language is used to create websites?
2. What languages do I need to build a website?
3. Why is Xmlns used?
4. What is the difference between namespace and class?
5. What are the uses of XML?
6. What is xhtml w3schools?
7. What is the purpose of XML namespaces?
8. What is the xmlns attribute?

Tags

1. #uniquely
2. #element
3. #document
4. #defined
5. #attribute
6. #contain
7. #attributes
8. #names
9. #providing
10. #namespaces
11. #instance
12. #elements
13. #recommendation
14. #vocabulary
15. #namespace
16. #named