Header
Header (not to be confused with head or headings) is the element that should contain the top section of your page or the top area of a portion of your page.
Nav
Short for navigation,
nav, is the element that contains the menus on your page.
Main
The main element is used to contain the main content of the page.
Section
The section element is used to contain smaller areas of content.
Article
An article should hold self-contained, complete information that could be displayed independently.
Aside
An aside element should hold secondary information, intended to be displayed on the side.
Footer
A footer element is used at the bottom of the page, or the bottom of an area on the page.