The HTML part is portrayed by a starting tag. If the segment contains other substances, it closes with an end tag.

<p>It is a section content.</p> 

<h1>it is a heading content.</h1> 

<div>it is a division content.</div> 

<br/>break tag 

So here <p>….</p> is a HTML component, <h1>…</h1> is another HTML component. There are some HTML components which shouldn’t be shut, for example, <img…/>, <hr/> and <br/> components. These are known as void components. 

HTML reports comprise a tree of these components and they determine how HTML records ought to be manufactured, and what sort of substance ought to be put in what part of a HTML archive. 

HTML Tag versus Component 

A HTML component is characterized by a beginning tag. On the off chance that the component contains other substance, it closes with an end tag. 

For instance, <p> is the beginning tag of a passage and </p> is the end tag of a similar section yet <p>It is a paragraph</p> is a passage component. 

Settled HTML Elements 

It is especially permitted to keep one HTML component inside another HTML component  Model: 

<!DOCTYPE html>
<title>Nested Elements Example</title>
<h1>It is an<i>italic</i>heading</h1>
<p>It is an<u>underlined</u>paragraph</p>


It is an italic heading 

It is an underlined paragraph