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 can only save one set of formatting changes at a time from the open document or from the one you are currently merging open but will also merge in changes from the second document as long as the change is to different text unless the same text has been formatted differently in the second document