The Sway view that allows the user to see what the Sway would look and behave like to anyone else reading it by switching from the edit view to the reading view.
— Computer Sciencea short film, usually with excerpts from a future film, intended as an advertisement; a sneak preview refers to an unadvertised, often surprise showing of an entire film before its general release or announced premiere, often to gauge audience reaction; aka trailer
— Film Terms