[Chameleon] Question about ROI

[marco barra]

Hi all
  I'm new in  gis world and i don't understand ROI tools.What can I do wen select an area?Query on features that fall in ?Or only draw a polygon?
  
  An other question:
  can I drow poligon that result on a map when I print it?
  
  Thanks ......and sorry for my english
		
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