4 文書を見つけるための辞書。

• area
• 分野, 域, 領域, エリア, 範囲, 方面
• a subject of study; "it was his area of specialization"; "areas of interest include..."
• 研究の対象

• stratum, level, layer
• レブル, レヴェル, 度合, 程度, 水準, レベル, 段階, 次元, 界層, 域, 準位, 基準, レイヤ, 度合い, 座標軸, 層, 標準, 階層, レイヤー
• an abstract place usually conceived as having depth; "a good actor communicates on several levels"; "a simile has at least two layers of meaning"; "the mind functions on many strata simultaneously"
• 通常、深部があるとして考えられている抽象的な場所

• extent
• 限度, 度合, 程度, 程, 域, 限界, 領域, 限り, 度合い, 範囲
• the distance or area or volume over which something extends; "the vast extent of the desert"; "an orchard of considerable extent"
• ある物が広がる距離、範囲、または量

• grade, degree, level
• レヴェル, 度合, 程度, 水準, レベル, 程, 次元, 域, 度合い, 度
• a position on a scale of intensity or amount or quality; "a moderate grade of intelligence"; "a high level of care is required"; "it is all a matter of degree"
• 強さまたは量または品質の階級の位置