What is a trailer for a movie?

Related questions

1. How long are truck trailers?
2. Is teaser and trailer the same?
3. Is a teaser a trailer?
4. How long are trailers at AMC?
5. What is the difference between a teaser and a trailer?
6. How long should a trailer be for a short film?
7. What is the difference between promo and trailer?
8. How long are trailers before a film?
9. How long is a teaser trailer?
10. Does a movie runtime include previews?

Tags

1. #dates
2. #coming
3. #creative
4. #cinema
5. #technical
6. #future
7. #advertisement
8. #distribution
9. #known
10. #result
11. #reels
12. #trailer
13. #attraction
14. #commercial
15. #preview
16. #movies
17. #feature
18. #exhibited