> from *The American Heritage® Dictionary of the English Language, 5th Edition*. > - *noun* The art and science of designing and erecting buildings. > - *noun* Buildings and other large structures. > - *noun* A style and method of design and construction. > - *noun* Orderly arrangement of parts; structure. > - *noun* _Computers_ The overall design or structure of a computer system or microprocessor, including the hardware or software required to run it. > - *noun* Any of various disciplines concerned with the design or organization of complex systems.