What is the difference between teaser and trailer?

What is the difference between teaser and trailer? teaser Watch the Official Teaser from Malayalam movie 'Big Ben' starring Anu Mohan, Vinay Forrt teaser With less than a month left before the extraordinary musical drama's next instalment takes over Otakus' screens, a brand-new teaser visual

teaser ตัวอย่างทีเซอร์ 2 'ยูเรนัส2324' Official 2nd Teaser 131K views · 3 days ago #ยูเรนัส2324 #URANUS2324 #Uranus2324xFreenBecky

teaser Magnolia has unveiled one more teaser trailer for Thelma, from writer director Josh Margolin It didn't win any awards, but did win over the 'Norway' director Yannis Veslemes' 'She Loved Blossoms More,' which will world premiere at Tribeca, has unveiled its first teaser