Solution:Condominium (Noun) = an apartment building in which each apartment is owned separately by the people living in it, but also containing shared areas.
Multiplex (Noun) = a movie theater with several separate screens.
Duplex (Noun) = a flat having rooms on two floors connected by a staircase.
Caravan (Noun) = a large vehicle that is equipped for living in, typically towed by a car.