This box is somehow the "main" box in colordb. It displays a lot of information about the current color (which is the color you have just choosen, by clicking a colored sample somewhere in colordb, by picking a color in the color wheel...)
The Info box displays first a large colored sample of the current color, then data in known color systems.
The white upper-left corner of the color sample lets you add the color to memory.
Finally, this box displayed the names and/or codes of the current color, if some: