If you happen to click on this square you will notice that you can change the order of the texts in the "content" part of this panel. Same thing for the icon a fex hexes lower.
Mines of Razad
This hex has notes. While it is selected try this:
Click on the D20 at the top left of the menu. You will enter what is called "Play mode".
Go see the "Notes" part in the Hex tab.
Lots of dwarves lives here.
To get out of play mode click on the D20 icon again.