This Wykrzyknik 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 4,300 icons, all in the same style and quality.
The icon shows an exclamation mark. The top of the exclamation mark is a long vertical line. At the bottom of the exclamation mark, there's a small dot. It is used at the end of sentences to show excitement.