This is a paragram and represents a block element. It extends the full width of the page. Try resizing this page and see how the paragraph changes

Even though this HTML is part on the first line it will be display vertically.

Heading which is a block element

Images are inline elements testudo's imageumd's imagetestudo's imageand appear one after another on a line. testudo's image testudo's image testudo's image Try resizing the page and see how the images are repositioned.