Architecture, engineering and construction (AEC) is a method of organizing resources involving all three aspects of civil, mechanical and building design. The Parthenon on top of the Acropolis, Athens, Greece Architecture (from Latin, architectura and ultimately from Greek, αρχιτεκτων, a master builder, from αρχι- chief, leader and τεκτων, builder, carpenter) is the art and science of designing buildings and structures. ... Engineering is the application of scientific and mathematical principles to develop economical solutions to technical problems, creating products, facilities, and structures that are useful to people. ... Cranes are essential in large construction projects, such as this skyscraper In project architecture and civil engineering, construction is the building or assembly of any infrastructure on a site. ... The Falkirk Wheel in Scotland. ... Mechanical engineers design and build engines and power plants. ... Building design is the design of architectural exterior/interior spaces, engineered elements and shelter design. ...