Tap a part to see what it does. The names are Gozney's: oven mouth, front fascia, Safe-Touch silicone jacket, stone floor, fold-out legs.
"Left" and "right" in this guide are as you face the mouth.
Gozney's 2016 book calls the thermometer a "custom thermocouple thermometer probe". It is only the thermometer, not a safety device: the standard gas burner has no flame failure device that Gozney mentions (see lighting).