The icon consists of four arrows pointing to the center. The arrows are right angles bisected each by a line extending outward to the corners of the image. The icon represents the minimization or shrinking of a graphical element.
This Collapse 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 6,000 icons, all in the same style and quality.