The <i> element makes text display in italics. It is an older element that behaves visually like the <em> HTML 5 element, but doesn't interact with adaptive technology
The <iframe> element specifies an inline frame. An inline frame is used to embed another document within the current HTML document
The <img> element defines an image in an HTML page. The <img> element has two required attributes: src and alt
Note: Images are not technically inserted into an HTML page, images are linked to HTML pages. The <img> tag creates a holding space for the referenced image.
The <input> element specifies an input field where the user can enter data. <input> elements are used within a <form> element to declare input controls that allow users to input data. An input field can vary in many ways, depending on the type attribute