स द्वादशद्वारो युक्तोदकभ्रमच्छन्नपथः ॥ कZ_०२.४.०२ ॥
sa dvādaśadvāro yuktodakabhramacchannapathaḥ
Elle (la ville/la forteresse) doit avoir douze portes, être pourvue d’un circuit d’eau (fossé/ouvrages hydrauliques) et disposer de passages couverts ou dissimulés.
Gates enable controlled commerce and movement; waterworks add siege resistance; covered routes allow secure internal logistics and emergency redeployment.
Control: multiple gates distribute traffic yet remain regulated choke-points for inspection, tolls, and security screening.