| A | B |
| Standard Generalized Markup Language (SGML) | A metalanguage used to create other languages including HTML and XHTML |
| Metalanguage | A languaged used for defining other languages |
| Document Type Definition (DTD) | A set of rules contained in a simple text file that defines the structure, syntax, and vocabulary as it relates to tags and attributes for a corresponding document |
| Hyperlinks | embedded instructions wihtin a text file that link it to another point in the file or to a separate file |
| Tags | Pieces of code enclosed in angle brackets, that tell the HTML interpreter how to process or display text |
| Extensible Markup Language (XML) | A markup language that describes document content instead of adding structure or formatting to document content. A simplified version of SGML. |
| Client | An individual computer connected to a network. Also, a system or application that requests a service from another computer and is used to access files or documents. |
| XHTML Transitional Flavor | Allows formatting to be specified inside the document, although CSS is preferred. Allows deprecated tags. |
| XHTML Strict Flavor | Requires the exclusive use of CSS for all formatting elements. No deprecated tags are allowed. |
| XHTML Frameset Flavor | Required for pages that use frames, which place Web pages inside each other to create separate panes in the browser window. |
| Trouble Ticket | A record of a problem related to a service provided by an ISP or ASP. Used to record receipt of a compaint and track resolution of the problem |
| Troll | A Web user who publishes comments or submits feedback simply to annot or anger |
| Intellectual Property | Unique product or idea created by an individual or organization and generally has commercial value |
| Trade Secret | Intellectual property that must remain private for a company to retain viability |
| Copyright | legal ownership of expression by an author |
| Trademark | Unique word, phrase, or symbol that is claimed or offically registered by an organization with the government |
| Licensing | legally authorized use of another peron's or entity's copyrighted intellectual property |
| Infringement | Any violation of a copyright or trademark |
| Plagiarism | Specific instance of infringement which an individual or entity claims to have created content |
| Non-Disclosure Agreement | A legally binding contract signed by both parties stating that they will not reveal any trade secrets or intellectual property owned by the other |