How rhetorical definitions, comparisons and explanations differ?
These sites should provide you that information:
This site is intended to help beginners, as well as experts, make sense of rhetoric, both on the small scale (definitions and examples of specific terms) and on the large scale (the purposes of rhetoric, the patterns into which it has fallen historically as it has been taught and practiced for 2000+ years).
http://humanities.byu.edu/rhetoric/silva.htm
http://en.wikipedia.org/wiki/Rhetoric
(be sure to check all the sections to the right)
This is a glossary of rhetorical terms.
http://www.uky.edu/AS/Classics/rhetoric.html
This site will give you links to a number of sites specializing in rhetoric.
http://rhetoric.eserver.org/
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