<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31310063</termId><termName>building envelopes</termName><termType>PT</termType><termNote><![CDATA[ Three-dimensional space within which a structure is permitted to be built on a zoning lot; used especially in relation to zoning regulations concerned with land use and access to light and air. ]]></termNote><termCreatedDate>2026-03-30 20:23:31</termCreatedDate><relation><relationType>UF</relationType><termId>31310064</termId><termName>building envelope</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31310065</termId><termName>bulk envelopes</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31310066</termId><termName>envelopes, building</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31300512</termId><termName>zoning concepts</termName><termType>PT</termType></relation></term>  </Zthes>