How does E Ticket work for flights?

Related questions

1. Can I change my date of journey in Irctc?
2. Can we modify Irctc ticket?
3. When can I book ticket on Irctc?
4. Can I show E ticket on mobile at airport?
5. Can I go straight to security with mobile boarding pass?
6. Does Irctc website down?
7. Can I Prepone my train ticket online?
8. Does affirm affect your credit?
9. Can we show E Ticket airport?
10. Can we reschedule train ticket?

Tags

1. #carries
2. #information
3. #airline
4. #database
5. #ticket
6. #located
7. #issues
8. #board
9. #suitcase
10. #passenger
11. #paper
12. #difference
13. #confirms
14. #instead
15. #computer
16. #major
17. #traveler
18. #plane
19. #boarding