This is a special HTML tag that is used to give information about a web page but is not displayed in a web browser. For example, meta tags provide information such as what application was used to create the page, how often it is updated, a description of the page, and keywords that are relevant to the page. Many search engines use the information stored in meta tags when they index web pages.
META TAG
Meaning of META TAG in English
English glossary of computer and Internet terms. Английский глоссарий компьютерных и Интернет терминов. 2012