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.
When saving your documents, you are given the two choices, Save and Save As. Although these two functions have the same goal, there are minor differences in how they achieve their goal. Save automatically writes the changes to the file that it was last saved to or to the file from which it was opened.