Check out example codes for "html elements". It will help you in understanding the concepts better.

Code Example 1

The basic elements of an HTML page are:

A text header, denoted using the <h1>, <h2>, <h3>, <h4>, <h5>, <h6> tags.
A paragraph, denoted using the <p> tag.
A horizontal ruler, denoted using the <hr> tag.
A link, denoted using the <a> (anchor) tag.
A list, denoted using the <ul> (unordered list), <ol> (ordered list) and <li> (list element) tags.
An image, denoted using the <img> tag
A divider, denoted using the <div> tag
A text span, denoted using the <span> tag

Code Example 2

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
</body>
</html>

Code Example 3

HTML Elements are what make up HTML in general

<p> is an element

Code Example 4

HTML Elements are what make up HTML in general.
This is a list of the main Html element tags. 
(There are more not included in this list.)
<!DOCTYPE> 	Defines the document type
<html> Defines the root of an HTML document </html>
<title>	Defines a title for the document </title>
<header> Defines a header for a document or section </header>
<main> Specifies the main content of a document </main>
<footer> Defines a footer for a document or section </footer>
<p>	Defines a paragraph </p>
<a>	Defines a hyperlink </a>
<b> Defines bold text </b>
<br> Defines a single line break </br>
<button> Defines a clickable button </button>
<div> Defines a section in a document </div>
<footer> Defines a footer for a document or section </footer>
<h1> to <h6> Defines HTML headings </h1> to </h6>
<img> Defines an image </img>
<ol> Defines an ordered list </ol>
<ul> Defines an unordered list </ul>
<li> Defines a list item  </li>
<script> Defines a client-side script </script>
<span> Defines a section in a document</span>
<table>	Defines a table </table>
<td> Defines a cell in a table</td>
<th> Defines a header cell in a table </th>
<tr> Defines a row in a table </tr>

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