May or may not have a garage. Often have some private outdoor or lawn area, but not always. Duplexes often have garages, triplexes rarely do. Apartments Usually implies four or more dwelling units in a building, although in Lawrence we often see large, usually older single family homes which have divided into less than four living spaces, and yet these would still be regarded as apartments. May have multiple buildings on the same tract of land, which makes it an apartment complex.
Apartments often have decks or patios, but lawn areas are always common.