What is the main importance of the <div> element and how can i use it.. Detailed explanation is needed.

Question

Main importance of the <div> element

Answer 1

divs are used to delimit a certain portion of code

you can wrap in it many other element types or many other divs. it is used as a container !

Answer 2

div is a container which separate any element.
it is mostly used for Styling using Css
and you can used it for several time.
you can give name to the particular Div by Id or name.