What is the difference between telegram and letter?

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Tags

1. #trained
2. #create
3. #postal
4. #electronic
5. #telegram
6. #there
7. #letters
8. #through
9. #service
10. #letter
11. #person
12. #received
13. #basic
14. #differences
15. #cryptic
16. #document
17. #morse
18. #telegrams
19. #shorter
20. #physical