| A | B |
| <!DOCTYPE> | a declaration that determines how the interpreter will render all markup in the document. |
| <html> | all code up until the <html> tage is not HTML, but is rather SGML |
| <head> | allows you to insert <meta> tags (which describe the nature of the document) |
| <meta> | can specify various information about the document, known as metadata, or data about data. |
| <link> that references a style sheet | recommended for XHTML 1.0 Transitional and required for XHTML 1.0 Strict. |
| <title> | inserts the document title |
| <body> | begins the body of the document |
| character set | The group of symbols used to render text on a page |
| Unicode | A universal character set designed to support all written languages, as well as scholarly disciplines |
| Cascading Style Sheets | A technology that allows greater style definition and formatting control of HTML elements. |