HTML tags mark the beginning and end of an element (and are considered part of the element). Tags are containers. They tell you something about the content between the openin… See more

Elements can be either container elements (they hold content) or stand-alone elements, sometimes called self-closing elements. Paragraph elements are containers: … See more

Attributes provide additional information about HTML elements. Attribute tags include class, id, style, lang, and src(source). Here is an example of an HTML elem… See more

HTML elements 'nest' inside of one another. The element that opens first closes last. When nesting elements, spaces and tabs are often used to show the level of nesting. Ho… See more