More than 12,000 local police departments were operating in the United States during 2013. A local police department is a general purpose law enforcement agency, other than a sheriffs office, that is operated by a unit of local government, such as a town, city, township, or county.
SaveAs :- Is used to save an already saved document or anything (which you want to save) with a new name. In simple words with Save you save something with SaveAs you create a copy of already saved thing with a new name obviously. I hope you understood the main basic difference. TC.
Save As or Rename Word 2010 documents. Pressing Ctrl+S (Save) on an unsaved document lets you pick a name, format, and location (your default save folder unless you manually pick another). The Save As command does the same thing only with unsaved documents (separate tutorial explains how to save as PDF).