Then, the notification vanished, and Kael’s own desktop reverted to his standard setup. But as he looked at his screen, he noticed one small change. In the corner of his taskbar, a tiny, amber icon remained—a permanent resident of the Nexus Dock theme he had created. When he hovered over it, it didn't open a program.
Indicators (the marks under open apps) go into the Indicators folder in the same directory. Winstep.net Winstep Nexus Dock and Nexus Ultimate nexus dock theme