Concept of designing of buildings, open areas, houses and structures/systems that focuses on the parts of a structure/system to form a complete structure/system by overcoming limitations and avoiding problems within the structure/system. Usually, aesthetic effect is used to make the structure look better. Sometimes, parts previous designs are used or improved for a new structure/system.
Sources:
1) http://www.businessdictionary.com/definition/architectural-design.html
2) http://dictionary.reference.com/browse/architecture
3) en.wikipedia.org/wiki/Architectural_design
