An icon is a compact symbol that represent a specific object, action, or idea. They are meant to be easily and quickly understood. Some examples include icons used for traffic signs and icons used on mobile apps. Icons carry meaning through the item they portray. Icons are a powerful tool that help us to navigate, to take action, to warn, and more. In a way, icons are a language of their own and are understood universally, both in the digital world and the physical world.