Is there specific values (words) to be assigned for the HTML selector id or not?

Question

For example
<div id="intro">
<p> This paragraph is in the intro section.</p>
</div>
Can we assign any word to id that we want instead of intro?

Answer 1

There is no special word for id. you're free to use any kind of word.

Answer 2

Just make sure it is unique

Answer 3

yep

Answer 4

ya why not ... no need to be specific word bro..