This image is of a big square with one circle in the center of the square and five smaller circles evenly spaced each one connected to the center circle by one line.
This Hub 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.