All HTML Tags List:

Providing a comprehensive list of all HTML tags is beyond the scope of a single response due to the extensive number of HTML tags available. However, I can provide you with a list of commonly used HTML tags along with a brief description of their purpose:
HTML Document Structure and Text Formatting - Lists - Links - Images - Tables - Forms - Multimedia - Miscellaneous HTML Tags List
All HTML Tags List

1. Document Structure:

<!DOCTYPE html>: Document type declaration for HTML5.
<html>: Root element of an HTML document.
<head>: Contains meta-information about the HTML document.
<title>: Sets the title of the HTML document.
<body>: Contains the content of the HTML document.

2. Text Formatting:

<p>: Defines a paragraph.
<h1> to <h6>: Headings of different levels.
<strong> or <b>: Represents strong importance, often bold.
<em> or <i>: Represents emphasized text, often italic.
<u>: Underlines text.
<br>: Line break.

3. Lists:

<ul>: Defines an unordered (bulleted) list.
<ol>: Defines an ordered (numbered) list.
<li>: Defines a list item.

4. Links:

<a>: Defines a hyperlink.
<href>: Specifies the URL of the linked resource.

5. Images:

<img>: Embeds an image.
<src>: Specifies the source URL of the image.
<alt>: Provides alternative text for the image.

6. Tables:

<table>: Defines a table.
<tr>: Defines a table row.
<td>: Defines a table cell.

7. Forms:

<form>: Defines an HTML form.
<input>: Defines an input field.
<textarea>: Defines a multiline input field.
<select>: Defines a dropdown list.
<button>: Defines a clickable button.

8. Semantic HTML5 Elements:

<header>: Represents a header section.
<nav>: Represents a navigation menu.
<article>: Represents an independent piece of content.
<section>: Represents a generic section.
<aside>: Represents content aside from the content it is placed in.
<footer>: Represents a footer section.

9. Multimedia:

<audio>: Embeds audio content.
<video>: Embeds video content.

10. Miscellaneous:

 <div>: Defines a division or a section in an HTML document.
 <span>: Defines an inline container.
This list is not exhaustive, and there are many more HTML tags available for various purposes. For more detailed information, you may refer to official HTML documentation or online HTML reference guides.