HTML(An application of the Standard Generalized Markup Language that uses tags to mark elements, such as text and graphics, in a document to indicate how Web browsers should display these elements to the user and should respond to user actions)
Extensible Stylesheet Language(An XML vocabulary that is used to transform XML data to another form, such as HTML, by means of a style sheet that defines presentation rules)
language(An artificial language that specifies instructions to be executed on a computer. The term covers a wide spectrum, from binary-coded machine language to high-level languages)
