1 文書を見つけるための辞書。

• reference, point of reference, reference point
• 引合, 参考, 規準, 原点, 基準点, 基準, 準拠集団, 目安, 引合い, 引き合い, 基点
• an indicator that orients you generally; "it is used as a reference for comparing the heating and the electrical energy involved"
• 一般的に示すもの