Why it is important to set the meta information?

Metadata is the data about the data or the information about the data. There is a tag that is being provided for the HTML document. This information won't be displayed anywhere and will not be visible to the user. It will be parsable by the machine which will parse it according to the requirement. It consists of the elements that are related to the page description, keywords, document related element. The tag that is being used resides in the section in HTML. The meta information is being used by the web browser or by the search engines to rank and let the user find the pages easily.