私人屋苑 : private housing estate
公共居屋 : public housing estate
居屋 : home ownership scheme housing estate
丁屋 : difficult to translate, perhaps small building or village house
私人屋苑 Private residencial houses
公共居屋 Public home estate
居屋 Goverment housing units
丁屋 Village house (authorized by Government with standard (limited) construction and mostly in the New Teritories)