This particular icon features an outlined shape that resembles an arrow. It is pointing to the left. The back end of the arrow shape is curved upright and tapers off to a point.
This Left 3 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.