पञ्चहस्तमाणिद्वारम् ॥ कZ_०२.३.२७ ॥
pañcahastamāṇidvāram
द्वार (मुख्य प्रवेश) पाच हस्त मापाचे असावे.
To standardize construction for security, traffic control, and predictable defensive planning (weapon placement, chokepoint control).