Building

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Short visual history of architectural styles (from left to right): the Ishtar Gate (Mesopotamian); the Temple of Isis from Philae (Ancient Egyptian); the Maison Carrée (Greco-Roman); the Kandariya Mahadeva Temple (Indian); the Hall of Prayer for Good Harvests of the Temple of Heaven (Chinese); the Basilica of San Vitale (Byzantine); Badshahi Mosque (Islamic); the Durham Cathedral (Romanesque); Sainte-Chapelle (Gothic); the Tempietto (Renaissance); Château de Maisons (Baroque); boiserie from the Hôtel de Varengeville (Rococo); the Petit Trianon (Neoclassical); Grand Central Terminal, Midtown Manhattan, New York City (Beaux-Arts); the Castel Béranger (Art Nouveau); the Théâtre des Champs-Élysées (Art Deco); the Fagus Factory (Modern); and the Neue Staatsgalerie (Postmodern)

A building or edifice is an enclosed structure with a roof and walls, usually standing permanently in one place,^[1] such as a house or factory.^[1] Buildings come in a variety of sizes, shapes, and functions, and have been adapted throughout history for numerous factors, from building materials available, to weather conditions, land prices, ground conditions, specific uses, prestige, and aesthetic reasons. To better understand the concept, see Nonbuilding structure for contrast.

Buildings serve several societal needs – occupancy, primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical separation of the human habitat (a place of comfort and safety) from the outside (a place that may be harsh and harmful at times).

Ever since the first cave paintings, buildings have been objects or canvasses of much artistic expression. In recent years, interest in sustainable planning and building practices has become an intentional part of the design process of many new buildings and other structures, usually green buildings.