2 文書を見つけるための辞書。

• forefront, vanguard, cutting edge
• 先頭, 先登, 尖端, 先端, 第一線, 最前線, 陣頭, 最先端
• the position of greatest importance or advancement; the leading position in any movement or field; "the Cotswolds were once at the forefront of woollen manufacturing in England"; "the idea of motion was always to the forefront of his mind and central to his philosophy"
• 最も大きな重要性または進歩の状況

• line
• 第一線
• a fortified position (especially one marking the most forward position of troops); "they attacked the enemy's line"
• 要塞化された場所（特に軍隊の一番前の場所を指す）