What makes a space livable — the standing pieces a room offers its dwellers; in interfaces, the panels and rails the switch pays for.
French fourniture (a providing, supply), from fournir (to furnish, provide); the standing pieces that make a room livable, extended in interfaces to the panels and rails a layout provides.
What makes a space livable: the standing pieces a room offers. In an interface, the panels and rails the layout provides.