HTML course: difference between tag and element?

Question

Hi guys, what's the difference between tag and element?

Answer 1

tags are the speaking convenience to denote
< some tags > notation.

but all the tags are actually a DOM element

Answer 2

Document object model,

All the tags in html are actually objects in a predefined object tree as shown in the link.

so by accessing the DOM objects we can perform various Operations over html page, and in that context "element" ( sometimes also called as Nodes) comes into picture.

https://www.w3schools.com/js/js_htmldom.asp

Answer 3

What does DOM stand for?

Answer 4

Ok thanks!