यतो वा दूष्यफल्गुबलं ततोऽभिहन्यात् ॥ कZ_१०.३.१० ॥
yato vā dūṣya-phalgubalaṃ tato 'bhihanyāt
From whichever side the enemy’s force is vulnerable or weak, from that side one should strike.
A targeting/COA selection rule: identify vulnerability and concentrate combat power at the weakest point.