Having several System Monitor plasmoids next to each other on a panel can look a little confusing at a glance. It’s difficult to tell where one begins and ends, or which one’s supposed to say what.
It would be nice to have a customisable label to help differentiate them a bit. My proposed design is to have it occupy the same space as the graph itself, but tucked away in a corner, with the lines/bars being drawn in front of it, so as to not obstruct the non-static information:
