<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31430535</termId><termName>bar codes</termName><termType>PT</termType><termNote><![CDATA[ Optical, machine readable codes, usually representing numbers, rendered as black and white bars of varying width that carry information; used for entering data or making data legible to a computer system. Bar codes are often used to identify, for pricing, organizing, or distinguish information about one thing, person, or other entity from others.  ]]></termNote><termCreatedDate>2026-03-30 20:56:09</termCreatedDate><relation><relationType>UF</relationType><termId>31430536</termId><termName>bar code</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31430537</termId><termName>bar coding</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31430538</termId><termName>bar-codes</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31430539</termId><termName>barcode</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31430540</termId><termName>barcodes</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31430541</termId><termName>barcoding</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31401013</termId><termName>identification numbers and codes</termName><termType>PT</termType></relation></term>  </Zthes>