A simple list is a list in which the order of list items is not significant. A simple list is similar to unordered list, but in a simple list the items are not marked with a bullet or other symbol.
The following simple list functions as a topic table of contents.
Example
<section> <p>Sections in this topic: <sl> <sli> <xref href="#aboutditaotugref/contents">Document contents</xref> </sli> <sli> <xref href="#aboutditaotugref/target_audience">Audience</xref> </sli> <sli> <xref href="#aboutditaotugref/prerequisites">Prerequisites</xref> </sli> <sli> <xref href="#aboutditaotugref/howproduced">How this document was produced</xref> </sli> </sl> </p> </section>