| A | B |
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| angle brackets | The characters (< >) that set HTML tags off from the rest of the text on an HTML page. These two symbols enclose all HTML tags. |
| attributes | Words with a specified meaning in HTML that are used in a tag to provide additional information about HTML elements. |
| Cascading Style Sheets (CSS) | Code that specifies the visual look of web pages. Such code is usually in a separate document that is linked to the web pages, but the style sheet code can also be in the header of the actual web page, |
| element | A section in an HTML document. Elements can be objects such as paragraphs, lists, and lines in HTML. An element is usually set off from the rest of the document by a beginning and an ending tag, but it may have just a beginning tag. |
| empty element | An HTML object that does not have textual content; for example, <img/> (images), <br/> (line breaks), or <hr/> (horizontal rule). |
| HTML | An acronym for Hypertext Markup Language. It is the programming language used to create the content on web pages. The markup language tells the web browser where and how to display the different elements on the page. |
| markup language | A set of annotations that define the processing and presentation of text. A markup language uses code in a syntax called tags to describe the formatting of a text file. HTML is an example of a common markup language. |
| meta elements | Information about the data on a web page, such as descriptions and keywords about the page that are not visible when the page is displayed in a browser. Also known as meta tags. |
| source code | The HTML (text) version of a web page. |
| tags | The building blocks of HTML. Each tag is a predefined word or abbreviation that tells how the elements on the page should be displayed. |
