An ordered list is made out of <ol> and </ol> tags. The letter O stands for ordered and the letter L stands for list.
<body>
<ol>
</ol>
</body>
To add a list item, we add text between the <li> and </li> tags. In this case, the L stands for list and the I stands for item.
<body>
<ol>
<li>Tortoise</li>
</ol>
</body>