Meaning of HEADER in English
In e-mail or Usenet, the top portion of a message that includes basic information such as the message sender, recipient, and subject. On the Web, a header is the top portion of an HTML document that aids in identifying its contents. See also e-mail , HTML , and Usenet .
Internet PR English glossary. Английский словарь Интерет пиара и продвижения. 2012