The usual meaning of architecture stems from the design of buildings and is concerned with such things as the way that the purpose of the building is related to the use of space, the size and shape of the structure, the materials used, the aesthetic qualities of the building (does it look good?) and so on. An architect, or team of architects, will have designed the building first of all ‘in their mind’s eye’, recording details on paper and using models, long before a stone is set or the earth is disturbed. Similarly, the design of a new computer involves a large team of design engineers creating a computer in imagination long before its creation in silicon as a working system.