Start with what the Datson Type 10 is: a car with gasoline engine, from Datsun. What it meant takes a little longer.
The engineering
The engine is gasoline engine. On the scales it comes to 400 kg. These are manufacturer figures carried by Wikipedia and Wikidata, not road-test measurements.
Where it sits
Its Datsun stablemates include the 280Zx and the 310.