Why angular 2 is single page application?

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Tags

1. #applications
2. #create
3. #reloads
4. #constant
5. #html5
6. #fluid
7. #single
8. #client
9. #update
10. #however
11. #without
12. #javascript
13. #responsive
14. #means
15. #dynamically
16. #happens
17. #interacts