What's the difference between Champions League and Europa League?

Related questions

1. Did Everton play in the Champions League?
2. Is Everton in Europa League?
3. What happens if you win the Europa League?
4. Has Barcelona ever won the Europa League?
5. How does Europa League qualification work?
6. Did Burnley qualify for Europe 2018?
7. How does a Premier League team qualify for Europa League?
8. Do the winners of the Europa League qualify for the Champions League?
9. Does winning Europa League get Champions League qualification?
10. Does 7th qualify for Europa League?

Tags

1. #europe
2. #highest
3. #champions
4. #leagues
5. #playing
6. #between
7. #clubs
8. #easier
9. #lower
10. #league
11. #being
12. #europa
13. #champion
14. #competitions
15. #difference