Idea of Presentation Icon
It's a logo representing presentation. There is a projector screen with a pie chart and three horizontal lines depicting writing. There is a small wide rectangle on the top of the projector where it would be pulled from and a string with a circle at the end to represent the drawstring.
This page contains the Presentation vector icon, as well as variations of this icon in different visual styles, and related icons. All icons are in the flat vector style, however, differ by the line thickness, fill, and corner radius.