Check out example codes for "bold html". It will help you in understanding the concepts better.
Code Example 1
<b> Bold Text </b>
Code Example 2
<html>
<head>
<title>Bold text</title>
</head>
<body>
<p>Use the strong element to <strong>indicate strongly emphasized</strong> content.</p>
</body>
</html>
Code Example 3
<!--Emphasized bold text. It's for content that is of greater importance-->
<strong>I'm a content</strong>
<!--Bold text. It's used to draw attention to text without indicating that it's more important-->
<b>I'm another content</b>
Code Example 4
#bold text:
<strong> this is bold </strong>
Code Example 5
<p>This is normal text - <b>and this is bold text</b>.</p>
Code Example 6
<!-- The <b> tag bolds text without any emphasis-->
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