An element in HTML represents some kind of structure or semantics and generally consists of a start tag, content, and an end tag. The following is a paragraph element:
<p>
This is the content of the paragraph element.
</p>
Tags are used to mark up the start and end of an HTML element.
A start tag consists of an opening angle bracket (<) followed by the element name, zero or more space separated attribute/value pairs, and a closing angle bracket (>).
A start tag with no attributes:
<p>
A start tag with an attribute:
<p class="info">