Although there is no standard size for a chest of drawers, the most common size is 38 inches wide. A chest of drawers this size is small enough to fit in most bedrooms, but large enough to have ample storage space. The drawers are also small enough that they won't buckle or sag over time.
A duplex is defined as a house or building with two separate units. An example of a duplex is a house with two living units with a common wall. 1  double; twofold.  designating or of a system of telegraphy in which two messages may be sent simultaneously in opposite directions over a single circuit.
Multifamily homes are structures built specifically to allow more than one family to reside in them, each in separate accommodations. The two most common types of multifamily homes are the duplex and the single or two-story apartment, or condominium, complex. While high-rise buildings certainly house multiple families, they are usually not included in this category. A duplex often looks like two single-family homes placed next to each other.