What is it?
It's a boat / sail boat.
What is it?
It's a submarine.
What are they?
They're taxis / cabs.
What is it?
It's a tractor.
What is it?
It's a tram.
What is it?
It's an auto-rickshaw / tuk-tuk / tempo / samosa / etc.
What is it?
It's a van.
What is it?
It's a yacht.
What kind of aircraft is it?
It's a fighter jet.
