| A | B |
|---|
| Hypertext Markup Language (HTML) | A standardized format for specifying the structure of a Web page. |
| Internet Engineering Task Force (IETF) | The organization that defined and published the first two versions of HTML. |
| World Wide Web Consortium (W3C) | The organization founded to take on the responsibility of maintaining HTML standards after the second version. |
| Semantic | Describes languages such as HTML, which are intended to indicate the meaning of elements such as headings and paragraphs, but not to tell Web browsers how the elements should appear. |
| Cascading Style Sheets (CSS) | A companion language to HTML designed for describing the appearance of Web page elements. |
| Deprecated | Describes HTML features that can still be used, but whose use is no longer recommened. |
| Extensible Markup Language (XML) | A more generic markup language than HTML that enables users to describe any kind of document, instead of only Web pages. |
| Extensible Hypertext Markup Language (XHTML) | A successor to HTML 4.01 intended to make HTML interoperable with XML |
| Web Hypertext Application Technology Working Group(WHATWG) | The organization formed by several major technology companies to begin a process of creating the HTML specification that would become HTML5. |
| Tags | HTML codes that specify how user agents should treat each item in a Web document. |
| One-Sided Tags | HTML tags that are used by themselves, rather than in pairs. |
| DOCTYPE Declaration | An element that lets uses agents know the language in which document contents are written. |
| Element | A specific component of a Web page, such as a paragraph or a heading. |
| Opening Tag | The tag you place at the start of an element you are marking. |
| Closing Tag | The tag you place at the end of an element you are marking. |
| Hand-Coding | Creating a web page by entering HTML directly. |
| Body section | Web page section whose contents include elements that are visible in the main window of a Web browser, such as paragraphs and headings. |
| Nesting | An arrangement of Web page elements in which one element is located entirly within another. |
| Attribute | HTML code that follows the element name in the opening tag, which you can use to provide additional information about the element. |
| Character Encoding | The system user agents should employ to translate the electronic information representing a Web page into human-recognizable symbols, such as letters and numbers. |
| Child Element | An element nested within another element. |
| Parent Element | An element with another element nested within it. |
| Sibling Elements | Two elements that are both children of the same parent element. |
| Grandparent Elements | The parent element of the parent element of the current element. |
| Grandchild Elements | The child element of a child element of the current element |
| Attribute-Value Pair | The two pieces of information you provide to use an attribute: the attribute name and the value you are assigning to the attribute. |
| Comments | Text elements in your Web page code that are not rendered by user agents and are viewable only by people who examine the HTML code of your Web pages. |
| Preview | To open a Web page in one or more user agents and examine the result. |
| Rendering Engines | Software that translates Web page elements into vusual, auditory, or tactile representation based on Web standards. |
