Idea of Life Cycle Icon
There is two arrows that are circular in shape each only covering a half circle but together forming one single circle, in the center of this circle is a blank face with some shoulders visible.
This Life Cycle 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.