What is a HTML Formatter?    What is HTML Code?    What is a HTML Validator used for?    What can you show/display on HTML pages?    How do you add a paragraph to HTML?    How do you add Headings to HTML?    How do you create links in HTML?    What are iFrames used for in HTML?    Whats the use of adding javascript to HTML?    How do you add symbols to HTML pages?    How do you add emojis to HTML pages?    How do you embed images to HTML pages?    How do you embed videos to HTML pages?    How do you embed Youtube videos to HTML pages?