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 Presentation icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,100 icons, all in the same style and quality.