| − | A '''building''' is a [[structure]] that people live or work in, or that is erected to protect articles or [[livestock]], or for religious, ceremonial or social purposes. | + | A '''building''' is a [[structure]] that people live or work in, or that is erected to protect [[article]]s or [[livestock]], or for religious, social, military, industrial, or scientific purposes. Examples include churches (religious), town halls (social), barracks (military), factories, lumber mills (industrial), observatories, and physics labs (scientific). |