"Trailer release" refers to when a short video or preview is made available to the public to promote a movie, TV show, video game, or any other type of content. Full definition
And we can probably expect the new trailer released today to do the same. (screenrant.com)
The first trailer released for the film was more of a short based in the world and gave a small glimpse into the characters. (moviemezzanine.com)
The latest trailer released by the company is a comprehensive overview of almost everything the game has to offer, which you can check out below. (nintendowire.com)