आदितलस्य पञ्चभागाः शाला वापी सीमागृहं च ॥ कZ_०२.३.१९ ॥
āditalasya pañcabhāgāḥ śālā vāpī sīmāgṛhaṃ ca
第一層/地上階(āditala)は五つに区分し、広間(śālā)、水施設/井戸(vāpī)、境界の詰所/番所(sīmāgṛha)などの空間を配する。
Water access is a core civic necessity, while boundary/guard structures support administrative control, security, and regulated movement.