How to use the <var> tag?

Question

What ist the <var> tag and how to use it?

Answer 1

Var tag makes the text to intalic font

Answer 2

It's looks similar like the i tag

Answer 3

You will get more information from here
https://www.w3schools.com/tags/tag_var.asp

Answer 4

Is that the same like the <i> tag?