Architecture definition according to the Architects’ Registration Council of Nigeria (ARCON).

Architecture is the art and science, in theory and practice of the designing, erection, commission, maintenance, management, and co-ordination of allied professional inputs, thereto, of buildings or parts thereof, and the layout and master plan of such buildings or group of buildings, forming a comprehensive institution, establishment or neighbourhood, as well as any other organized space, enclosed or open, required for human and other activities.