item tag is used to specify an item
of a list. It appears only as the child of list
tags.
This CNXML:
<list id='forces-list'>
<title>Four fundamental forces</title>
<item>Electromagnetism</item>
<item>Gravity</item>
<item>Strong nuclear force</item>
<item>Weak nuclear force</item>
</list>
Results in this display: