Teaser -

In a professional context, a "teaser" is a short promotional piece designed to pique interest without revealing the full story.

A one-to-two-page document used in business to provide high-level insights about a company to potential investors without giving away every detail. You can find one-page templates for these financial reports online. Other Uses The Report - Official Teaser Trailer | Prime Video Teaser

Short, 15–60 second clips used to build "hype" for a product, event, or movie launch. In a professional context, a "teaser" is a