Instruction: Describe the purpose of the `<meta>` tag and give examples of its use.
Context: This question aims to assess the candidate's knowledge of HTML document metadata and its role in specifying page description, character set, and author.
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The <meta> tag plays a critical role in HTML by providing essential metadata about the web page. Metadata, as you might know, is data about data, which, in the context of HTML, means information about the web page that is not directly displayed on the web page itself. This information is crucial for search engines, browsers, and for the overall user experience on the web.
For example, one common use of the <meta> tag is to specify the character set for a web page. This is crucial for correctly displaying text, especially in languages with unique characters. A simple declaration like <meta charset="UTF-8"> ensures that a page uses the UTF-8 character set, which includes a wide array of characters from most known languages, providing broad compatibility....