Most commonly, a household is a family unit of some kind, though households can be other social groups, such as single persons, or groups of unrelated individuals. Settled agrarian and industrial societies are composed of household units living permanently in housing of various types, according to a variety of forms of land tenure. English-speaking people generally call any building they routinely occupy "home". Many people leave their houses during the day for work and recreation, and return to them to sleep or for other activities.
The residence of a feudal lord or of a ruler may require defensive structures and thus turn into a fort or a castle. The house of a monarch may come to house courtiers and officers as well as the royal family: this sort of house may become a palace. Moreover, in time the lord or monarch may wish to retreat to a more personal or simple space such as a villa, a hunting lodge or a dacha. Compare the popularity of the holiday house or cottage, also known as a crib.
In traditional agriculture-oriented societies, domestic animals such as chickens or larger livestock (like cattle) often share part of the house with human beings. Most conventional modern houses will at least contain a bedroom, bathroom, kitchen (or kitchen area), and a living room. A typical "foursquare house" (as pictured) occurred commonly in the early history of the United States of America, with a staircase in the center of the house, surrounded by four rooms, and connected to other sections of the house (including in more recent eras a garage).
However, these houses are often built as cheaply and quickly as possible by large builders seeking to maximize profits. Many environmental health issues are ignored or minimized in the construction of these structures. In one case in Benicia, California, a housing tract was built over an old landfill. Home buyers were never told, and only found out when some began having reactions to high levels of lead and chromium.
A more systematic and general approach to identifying houses may use various methods of house numbering.
Thus a vast and elaborate house may serve as a sign of conspicuous wealth, whereas a low-profile house built of recycled materials may indicate support of energy conservation.
Source: Wikipedia > House
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