Check out example codes for "content-type meta tag in html 5". It will help you in understanding the concepts better.

Code Example 1

<head>

  
 <meta charset="UTF-8">

  
 <meta name="description" content="Free Web tutorials">

  
 <meta name="keywords" content="HTML, CSS, JavaScript">

  
 <meta name="author" content="John Doe">
  <meta 
    name="viewport" content="width=device-width, initial-scale=1.0">

 </head>

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