पार्श्वस्थायी हि यातव्याभिसारो मूलाबाधकश्च भवति मूलाबाधक एव पश्चात्स्थायी ॥ कZ_०७.१३.२३ ॥
pārśvasthāyī hi yātavyābhisāro mūlābādhakaś ca bhavati mūlābādhaka eva paścātsthāyī
पार्श्वस्थायी हि यातव्याभिसारो मूलाबाधकश्च भवति; मूलाबाधक एव पश्चात्स्थायी (इव) भवति।
The flank actor can both join operations against the target and threaten the core; whoever threatens the core functions as the rear threat in strategic terms.