https://www.openstreetmap.org/way/367391313/history has surface = plates

What was meant by surface=plates ? Is any value from https://wiki.openstreetmap.org/wiki/Key:surface#Values fitting?

Are these large prefabricated concrete plates? See https://wiki.openstreetmap.org/wiki/Tag:surface%3Dconcrete:plates

Are these small concrete plates (also known as paving stones) See https://wiki.openstreetmap.org/wiki/Tag:surface%3Dpaving_stones