The image is a large square. Inside the square is a smaller six sided hexagon. Inside the hexagon is the smallest shape. It's a pentagon. All shapes have a flat side on the bottom.
This Discrepancy 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 5,700 icons, all in the same style and quality.