Competitive Analysis — aka Competitor Analysis
Examples:
Nice, clear graphic: http://peersthinktank.com/resources/Peers+ThinkTank+Competitive+Analysis+2.jpg
OK graphic: http://obls-gls.com/_data/docs/Competitive%20Analysis.gif
Textual; http://www.cpcnet.com/sg/english/pdt/pdt_true/images/image_05.jpg
What the hell? http://www.realestaterelativity.com/blog/wp-content/uploads/2008/05/redfin3.JPG