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Here is a list of a few terms and acronyms that you'll need to know as you continue through this training:<hr/>
CSS:
CSS (Cascading Style Sheet) is a tool web developers can use to customize the way a web page looks more easily. Using CSS, developers can easily manipulate content style, layers, and existing markup.
DTD:
DTD stands for Document Type Definition. The DTD lays out the structure of an XML document, including what tags will be included and what each tag will contain. For more information, see the section on "How does XML work?" above.
Element:
An element is, in many ways, identical to an XML Node. When something is referred to as an element, however, we generally think of an XML Node with only text in it. The contents of the <Make> tag would be an example of an element. An element is generally the lowest level of an XML document.
HTML:
HTML (Hypertext Markup Language) is literally the language of the web. Nearly every website you visit, including this one, is built with HTML. HTML adds display markup to your content, allowing you to present your material however you'd like on a webpage.
JavaScript:
JavaScript is a scripting language that allows web developers to add functionality and interactivity to a website. JavaScript can be used for anything from storing cookies to popping up message boxes.
Markup:
Markup is information added to content, usually through the use of Tags. That information may, in the case of HTML, add display details for the content. In XML, however, the markup adds structure information, defining the meaning of the information within the markup.
Node:
An XML Node is an XML tag and its contents. If you look at the code above, the <Automobile> tag encloses what is referred to as an Automobile Node. You should note that the Automobile Node is a child node of the AutomobileList Node.
Object-Oriented Programming:
Object-Oriented Programming (OOP) is the practice of creating "objects" that simulate real-word entities to write programs. For example, if you were to build a class scheduling system, you might include a Student Object, a Professor Object, a Class Object, etc.
Root Node:
A Root Node is a special Node that encapsulates all other nodes within an XML document. In comparison, all nodes in a document are descendants from that root node, just as you and your brothers, sisters, aunts, uncles, cousins, etc. are all descendants from your grandparents. The root node is especially important in XML because there must be exactly one root node in which all other nodes are contained. The root node is essential to the hierarchy of an XML document in order for it to function properly.
SGML:
SGML (Standard Generalized Markup Language) is a markup language designed to extend "Generic Coding." XML and HTML are both derived from SGML.
Tag:
A Tag is an element used to denote Markup. The general form of a tag is some word within < >. If you're familiar with HTML, you should recognize such tags as <B>, <HTML>, and <A>. In XML, you can define what you would like your tags to consist of. For example, you could define the following tag: <MyOwnTag>. Each tag (with a few exceptions) also has an End Tag, which looks identical to the Start Tag but includes a "/", like this: </B>, </HTML>, </A>, or </MyOwnTag>. The purpose of the End Tag is to give bounds to the content that is to be marked up. All content between the Start Tag and End Tag will be effected by that tag.
XML:
XML (eXtensible Markup Language) is a markup language designed to add structure information to existing content. XML was created in an attempt to overcome some of the problems with HTML and is currently being regulated by the World Wide Web Consortium (W3C).
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