There were some questions in class today on the following topics. Check out these resources for clarification.
Colon UsageFor more information on colons Wikipedia has a really good entry with examples at: http://en.wikipedia.org/wiki/Colon_(punctuation) Semi-Colon vs. Comma
The Purdue Online Writing Lab (OWL) has an article on this at: http://owl.english.purdue.edu/handouts/grammar/g_commacomp.html Particularly/Especially
http://www.towson.edu/ows/comma.htm Dan