藝術與建築詞典根目錄
....關聯概念層面
........關聯概念
............<科學概念>
................<數學概念>
....................<幾何概念>
........................幾何圖形 (幾何概念)
............................平面圖形
................................多邊形 (平面圖形)
|||....................................一邊形
|||....................................兩邊形
|||....................................三角形
....................................四邊形
........................................平行四邊形
|||........................................梯形
|||........................................不規則四邊形
|||....................................五邊形
|||....................................六邊形
|||....................................七邊形
|||....................................八邊形 (多邊形)
|||....................................九邊形
|||....................................十邊形 (多邊形)
|||....................................十一邊形
|||....................................十二邊形
|||................................懸鏈線