Answer:
DHTML (Dynamic HTML) is a collection of a few different languages
Explanation:
Dynamic HTML is a collection of HTML, DOM, JavaScript, and CSS.
It allows for more customizability than regular HTML. It allows scripts (JavaScript), webpage styling (CSS), manipulation of static objects (DOM), and building of the initial webpage (HTML).
Since the question is incomplete, I'm not really sure what all you need answered - please leave a comment if you would like something else explained. :)