Monnocottura
It's an Italian term meaning single fired.
Thinset
It's a Portland cement based mortar that acts as an adhesive and is usually applied less than 1/4" thick.
P.E.I Rating
Refers to the durability of the tile. It’s on a scale of 1 to 5, 5 being the most durable.
Listello
Decorative border tile.