ar·chi·tec·ture ˈärkəˌtek(t)SHər/ noun noun: architecture - the complex or carefully designed structure of something. - the conceptual structure and logical organization of a computer or computer-based system. thing THiNG noun plural noun: things - an object that one need not, cannot, or does not wish to give a specific name to. - objects, equipment, or utensils used for a particular purpose.