(Extensible Markup Language) is a markup language similar to HTML, but without predefined tags to use. Instead, you define your own tags designed specifically for your needs. This is a powerful way to store data in a format that can be stored, searched, and shared. Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing arbitrary data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. The World Wide Web Consortium's XML 1.0 Specification of 1998[3] and several other related specifications all of them free open standards—define XML. This course is dedicated to learn the basics of XPath.XPathis a syntax for defining parts of an XML document.XPathuses path expressions to navigate in XML documents. XPathis a major element in XSLT.XPathis also used in XQuery.it is important for all webdevelopers to have a good understanding of XPath. Before you continue, you should also have a basic understanding of XML,XSLT,CSS,HTMLand Javascript . in this course you will learn the theoretical concepts of basics of XPath. this is a beginners level course and this course is not for experts in XPath