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.
Word 2007 and Word 2010 save files in the same format. However, if the document was created from a template that was created in Word 2007 or earlier, the document will be created/saved/opened in a mode that is designated Compatibility Mode in Word 2010.