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
........................<開口與開口結構>
............................開口
................................<依功能區分之開口>
....................................入口
|||........................................便門 (邊門)
....................................出口 (依功能區分之開口)
|||........................................緊急出口
|||....................................砲洞
|||....................................進氣口
|||....................................排水孔 (水平表面)
|||....................................排放口 (輸出端口)
|||....................................人孔 [N]
................................<依形式區分之開口>
|||....................................斜片百葉窗
....................................<門口與門口結構>
|||....................................斜面牆 (開口)
|||....................................法蘭西式門
....................................<通道與通道構造>
....................................小門
|||....................................榫眼 [N]
|||....................................牛眼窗 (開口)
|||....................................正門
|||....................................小門
....................................<窗戶與窗戶構造>