Structure of HTML Elements

I am giving some basic guidelines.
Tags follow a common structure too. Some of those tags you can see are ”start tags”, like <b>, and others are paired with them and called “end tags”. They look like </b>. Together, a start tag and an end tag form a HTML element. A start tag opens an element and an end tag closes it again. For example, to make text bold, you use the b element. So, at the point in your text that you want the bold to start, you just stick the angle-brackets around that and put <b>, and when you want it to stop, you put </b>. An end tag is simply the start tag with a forward slash in front of the element name. Some tags won’t need that end tag, but most do, so don’t forget it.