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
........................<表面元素與表面元素構造>
............................<表面元素>
................................<線腳與線腳構造：建築>
....................................<線腳：建築>
........................................<依形式區分之建築線腳>
............................................<依形式區分之建築線腳：剖面>
................................................平線線腳 (線腳)
|||....................................................鳥嘴線腳
|||....................................................平嵌線
|||....................................................方嵌條
|||....................................................凹陷平線腳
|||....................................................帶形線腳
|||....................................................帶形花邊
|||................................................斜坡線腳