| Any Intel processors created after the first 8086 are known generically as X86. |
| XHTML (Extensible Hypertext Markup Language) is another markup language that is similar to HTML but with a tighter principles. |
| XLL (Extensible Linking Language) is used to place links that directly point to a certain object on a Web page, such as an object or image and it ties in with W3Cs XML hyperlinks specification (it is the second part of it in fact) |
| XML or Extensible Markup Language a recommendation from W3C that enables programmers to create specific purpose markup languages. Its main use is to share data usually over the Internet through various information systems. |
| XSL or Extensible Stylesheet Language is used for interpreting XML document presentation and transformation. |