Because of its cursor: pointer property, it gave the user a promise: “If you hover over me, I will change into a hand. I am interactive. I am here to help.” The user hovered. The cursor changed. The user clicked.

Suddenly, it had a body. It was assigned to a small, golden "Help" icon in the corner of a checkout page.

A support window opened, a problem was solved, and a purchase was made. Its job done, cNArcWj4 vanished as the page refreshed. It returned to the quiet dark of the bundle, a nameless hero of the user interface, waiting for the next pulse of light to give it meaning again.