1.  What is re projecting on the fly and why is it such a concern?
2.  Concerning the x/y domain designations, when speaking of precision, when is this issue most likely to be encountered by me the beginning student?
A couple of the topics in the ESRI presentation I felt required more familiarity with the software to adequately understand it.  I will have to view the presentation again toward the end of the class or 121 and see if it fits into my brain's x/y domain at the time.
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