.htm or .html file extension - An HTML file must have an, Text editors - HTML files can be created with, tags - HTML is comprised of, <head> and <body> - HTML describes structure using two main sections:, An HTML element - is defined by a start tag, some content, and an end tag, <body> and </body> - The visible part of the HTML document is between, <h1> to <h6> tags - HTML headings are defined with the, <p> tag - HTML paragraphs are defined with the, The <br> tag - defines a line break, and is an empty element without a closing tag, case sensitive - HTML tags are not,

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