藝術與建築詞典根目錄
....物件層面
........組件 (層級名)
............成分
................<依特定背景區分之組件>
....................建築元素
........................<結構元素與結構元素構造>
............................<結構元素>
................................<封閉式結構元素>
....................................膜結構
........................................氣壓結構
|||............................................充氣結構
|||............................................氣承結構
........................................<屋頂狀封閉結構>
|||............................................遮篷
............................................頂蓋 (結構元素)
|||............................................王室覆具
|||............................................盾罩
|||............................................大天幕