Kisi bhe Complete TAG ko hum Element Kehte hain

Compelte TAG ka matlb     Opening tag+ Content+closing tag   Aik Tag koi bhi , jiky mutaliq hai wo content , aur end mein closing tag
Example = <p> this is content </p> This All is an Element

Empty Element

Ab kuch Tags mein content nahi bhi hota, unko hum empty element keh sakte hain Ya kehte hain.

for example <br> , <img> , Same like Matlib yh zaroori nahi hai k , open k sath closing bhi ho.

Nesting of Element:

Nesting matlib aik element k ainder dosra element

for example

<body> k ainder
     <header>
        </header> tag
</body>
like more
Aue nesting hum kitni bhi trah kr saktein hain.