In HTML, comments are used to add notes, explanations, or reminders directly within the source code without displaying them on the rendered web page. Comments can be useful for developers to understand the purpose or structure of certain parts of the code or to temporarily disable specific elements during development or debugging.

To create a comment in HTML, you use the following syntax:

<!-- This is an HTML comment -->

Comments begin with `<!--` and end with `-->`. Everything between these markers is treated as a comment and will not be displayed on the web page or interpreted by the browser.

Here's an example of how to use comments in an HTML document:

<!DOCTYPE html>
<html lang="en">
    <meta charset="UTF-8">
    <title>HTML Comments Example</title>
    <!-- Include CSS and JavaScript files here in the future -->
    <!-- This is the main header -->
    <h1>Welcome to our website!</h1>
    <!-- This is the navigation menu -->
            <li><a href="#">Home</a></li>
            <li><a href="#">About</a></li>
            <li><a href="#">Contact</a></li>
    <!-- Main content section -->
        <p>This is an example of a web page using HTML comments to explain the structure of the content.</p>
        <p>This section is temporarily disabled and will not be displayed on the web page.</p>
    <!-- Footer section -->
        <p>&copy; 2023 My Website. All rights reserved.</p>

In this example, comments are used to describe the purpose of different sections of the HTML document, such as the main header, navigation menu, and footer. There's also a comment to remind the developer to include CSS and JavaScript files in the future. Additionally, one section is temporarily disabled using a comment, so it won't be displayed on the web page or interpreted by the browser.

Using comments in your HTML code can help improve the readability and maintainability of your code. They can be especially useful when working with other developers or when revisiting your own code after a long period of time. Remember to use comments to provide helpful explanations and reminders, but don't overuse them, as excessive comments can clutter your code and make it harder to read.

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