HTML lists can be used to group a set of related items in lists.
An unordered list starts with the <ul> tag.
<ul>
<ul> .... </ul>
Each list item starts with the <li> tag.
<ul> <li>HTML</li> <li>CSS</li> <li>JavaScript</li> </ul>
An ordered list starts with the <ol> tag.
<ol>
<ol> .... </ol>
<ol> <li>HTML</li> <li>CSS</li> <li>JavaScript</li> </ol>