A "snippet" is a small piece or fragment of something larger. It is a short and brief portion that gives you a taste or idea of the whole thing. Full definition
Over the next couple of days I found lots of little snippets of time for preparing. (slaw.ca)
Whereas previous trailers set the scene for the next battle between humans and the machines, this one pumps up the action with lots of snippets from the more high - adrenaline scenes. (highsnobiety.com)
Finally being able to show this trailer along with snippets of gameplay was immensely satisfying for the team, especially given the reaction. (coatsink.com)