An ordered list is a list (typically numbered) in which the order of list items is significant (for example, steps in a procedure.)
Example
<conbody> <p>A good wheelbarrow will save your back from extensive trauma when you garden. wheelbarrows are most often used to haul (in order of importance):</p> <ol> <li>garden dirt</li> <li>tools</li> <li>trash</li> </ol> </conbody>