What are some rhetorical methods of developing a topic?

Check some of these sites.

http://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS374&q=rhetorical+methods+of+developing+a+topic&aq=f&aqi=&aql=&oq=&gs_rfai=C0oTnqI4eTOvjIILqzATttIzQDQAAAKoEBU_QvH1y