A residential building is defined as the building which provides more than half of its floor area for dwelling purposes. In other words, residential building provides sleeping accommodation with or without cooking or dining or both facilities.
A commercial building is a building that is used for commercial use. Types can include office buildings, warehouses etc.
Industrial Designing architecture is the design and construction of buildings serving industry. Such buildings rose in importance with the Industrial Revolution, and were some of the pioneering structures of modern architecture.