"A closet (especially in North American usage) is an enclosed space used for storage, particularly that of clothes. "Fitted closet" are built into the walls of ...
[Read more]
the house so that they take up no apparent space in the room. Closets are often built under stairs, thereby using awkward space that would otherwise go unused.
A piece of furniture such as a cabinet or chest of drawers serves the same function of storage, but is not a closet, which is an architectural feature rather than a piece of furniture. A closet always has space for hanging, whereas a cupboard may consist only of shelves for folded garments. The word "wardrobe" can refer to a free-standing piece of furniture (also known as an armoire), but according to the Oxford English Dictionary, a wardrobe can also be a "large cupboard or cabinet for storing clothes or other linen", including "built-in wardrobe, fitted wardrobe, walk-in wardrobe, etc."" - (en.wikipedia.org 22.11.2019)