Displays text next to the cursor when hovering over a gui.
Stops overlay gui.
Is there a gui running as an overlay ?
Create a Hint for a gui element.
Create the hint gui.
Updates and renders guis that are behind.
Process events from the guis that aren't overlay.
Updates and renders guis that are in front (like the hint).
Add the gui as an overlay (rendered above all other guis). \ Doesn't take away events from the other guis (unlike modal).
Remove the current overlay gui.
Gui Overlay