This is the 4345th most frequent Japanese word.
包囲
Encirclement; siege.
包囲 is used to describe the action of encircling or surrounding, often in a strategic or military sense.
敵軍を完全に包囲しました。
We completely surrounded the enemy forces.
包囲 describes the act of surrounding a structure or location, emphasizing a comprehensive enclosure.
彼らは城を包囲して攻撃を開始しました。
They surrounded the castle and began their attack.
包囲 here is used metaphorically to describe strategic tactics involving containment or encirclement in military operations.