Header: The

<header>

tag defines the header of a document or section. Nav: The

<nav> 

tag defines a navigation bar. Section: The

<section>

tag defines a section of a document. Article: The

<article> 

tag defines an independent piece of content, such as a blog post or news article. ** aside:** The

<aside>

tag defines a sidebar or other secondary content. Footer: The

<footer>

tag defines the footer of a document or section. figure: The

<figure>

tag defines a self-contained piece of content, such as an illustration, diagram, photo, code listing, etc. figcaption: The

<figcaption>

tag defines a caption for a figure. h1-h6: The

<h1>

through

<h6>

tags define headings of different levels. main: The

<main>

tag defines the main content of a document. a: The

 <a> 

tag defines a hyperlink. form: The

<form>

tag defines a form. input: The

<input>

tag defines an input field. img: The

<img>

tag defines an image. blockquote: The

<blockquote>

tag defines a quotation. time: The

<time>

tag defines a date or time. mark: The

<mark>

tag defines a highlighted passage of text. b: The

<b>

tag defines bold text. strong: The

<strong>

tag defines strong text. em: The

<em>

tag defines emphasized text. code: The

<code>

tag defines code snippets. pre: The

<pre>

tag defines preformatted text.