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<h1>Heading 1</h1>
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<p></p>

# Tags

In HTML, a `Tag` is the fundamental unit used to **structure and present content** on web pages.

A tag is composed of keywords enclosed in angle brackets (`< >`) like `<tag>`.

A tag consists of a start tag (`<tag>`) and an end tag (`</tag>`), with the content that the tag applies to placed in between.

Here is an example of the structure of an HTML tag.

```html title="HTML Tag Structure"
<tag>Content that the tag applies to</tag>
```

<br />

The start tag is represented as `<tagname>` (e.g., `<html>`), while the end tag is represented as `</tagname>` (e.g., `</html>`) with a slash (`/`) **in front of the tag name**.

```html title="HTML Tag Example"
<html>
  Hello World!
</html>
```

<br />

> *Note*: Some tags have a slash (`/`) placed after the tag name, known as a `Self-closing Tag`. We will learn more about self-closing tags in later lessons.

<br />

## Practice

Follow the highlighted parts of the code to practice your input.

HTML tags start with `<tagname>` and end with `</tagname>`. For example, a tag starting with `<p>` should end with `</p>`.

### Which of the following is the most appropriate closing tag?