y of a document or application
- The main content area consists of content that is directly related to or expands upon the central topic of a document
  or central functionality of an application.
Warnings
- Do not include more than one main element in a document
- Do not include the main element inside of an article, aside, footer, header, or nav element
 -->
<main>
    Main
</main>
<!-- Figure -->
<!--
- The figure element represents a unit of content, optionally with a caption, that is self-contained
- I