<!DOCTYPE html> declaration defines
that this document is an HTML5 document
<html> element is the root element of an HTML
page
<head> element contains meta information about the
HTML page
<title> element specifies a title for the
HTML page (which is shown in the browser's title bar or in the page's tab)
<body> element defines the
document's body, and is a container for all the visible contents, such as
headings, paragraphs, images, hyperlinks, tables, lists, etc.
<h1> element defines a large heading<p> element defines a paragraphAn HTML element is defined by a start tag, some content, and an end tag:
The HTML element is everything from the start tag to the end tag:
Note: Some HTML elements have no content (like the <br> element). These elements are called empty elements. Empty elements do not have an end tag!
Below is a visualization of an HTML page structure: