HALOS - Home Appliance Label and Overlay System.
Home Package - Cooking Tactile Icon Description.
Bake/Roast - the shape is a thick horizontal line with ridges on the top and bottom to represent heat above and below.
Broil - The shape is a thick horizontal line with ridges on the bottom to represent heat coming from above.
Convection - the shape is a thick horizontal line with a ridge on the bottom edge and a single bump in the middle top.
Warming - the shape is a thick, curvy vertical line, like a wisp of steam.
Defrost - the shape is a water droplet - pointy on top, circular on the bottom.
Auto/Smart - the shape is a five pointed star - a smart features get a star!
Increase - the shape is a plus sign.
Decrease - the shape is a minus sign, simply a horizontal line.
Power Level - the shape is a stairstep, increasing from left to right.
Light - the top is round with a tapered round bottom - like a traditional light bulb shape.