Html elements are defined by a start tag, some content in-between the tags and an end tag.
Some don't have an end tag they usually have a slash / inside the start tag like this one <br/>, and other's don't have a slash inside they have a start tag only they don't need an end tag like this one <base>.
This html elements are called empty elements they do not have an end tag and content.Let's look at some examples that are ordered alphabetically
Explanation coming soon for this elements
Explanation coming soon for this elements
Explanation coming soon for this elements
Explanation coming soon for this elements
Explanation coming soon for this elements