अष्टशताङ्गुलं धनुः पथिप्राकारमानं पौरुषं चाग्निचित्यानाम् ॥ कZ_०२.२०.१९ ॥
aṣṭaśatāṅgulaṃ dhanuḥ pathiprākāramānaṃ pauruṣaṃ cāgnicityānām
Dhanu ialah 800 aṅgula; ia merupakan ukuran piawai bagi jalan (pathi) dan tembok/kubu (prākāra), serta juga piawaian pauruṣa bagi pembinaan altar api (agnicityā).
They enable consistent planning and auditing of macro-projects (roads, walls), where small-unit counting would be slow and easier to manipulate.