The descriptive part of a definition list element.
None.
<DD> is legal within:
<DL>
The following markup can be used within <DD>
<A> <B> <BLOCKQUOTE> <BR> <CITE> <CODE> <DIR> <DL> <EM> <FORM> <I> <IMG> <ISINDEX> <KBD> <MENU> <OL> <P> <PRE> <SAMP> <STRONG> <TT> <UL> <VAR>
For glossaries, dictionaries or other kinds of lists where a single term or line needs to be associated with a block of indented text.
<DL>
<DT>do
<DD>a deer, a female deer
<DT>ra
<DD>a drop of golden sun
<DT>me
<DD>a name I call myself
<DT>fa
<DD>a long long way to run
</DL>