Student or Learner
What is the difference between "till the end" and "to the end"?
1) Please sit quietly from beginning to end of the show.
2) Please sit quietly until the end of the show.
3) You'll receive the coupon at the end of the show.
4) Up to this point, the show was boring.
5) Up until now, the show was boring.
6) He differed the salary discussion to the end of the interview.
I'll look forward to the experts' answers.