बहिः परिखाया धनुःशतापकृष्टाश्चैत्यपुण्यस्थानवनसेतुबन्धाः कार्याः यथादिशं च दिग्देवताः ॥ कZ_०२.४.२० ॥
bahiḥ parikhāyā dhanuḥśatāpakṛṣṭāś caityapuṇyasthānavanasetubandhāḥ kāryāḥ yathādiśaṃ ca digdevatāḥ
Outside the moat, at a distance of one hundred bow-lengths, sacred shrines and meritorious places, reserved groves, and embankments/causeways (for water-control and crossings) should be constructed; and the directional deities should be installed according to their respective quarters.
It creates a controlled peri-urban belt: a safety buffer for defense, designated zones for public works and sacred/civic functions, and regulated land use that reduces encroachment near fortifications.
It standardizes spatial order and civic ritual mapping, reinforcing a shared urban layout and legitimizing planned zoning through widely accepted religious conventions.