What exactly does Warner Bros., MGM, etc. do? Do they make the films, finance it

Question: What exactly does Warner Bros!., MGM, etc!. do!? Do they make the films, finance it, distribute it!?
Best Answer - Chosen by Asker:

A little of all of the above, their the studios that greenlight the films so that all of the above can happen!.Www@QuestionHome@Com

all they sometimes produce, direct, and distrabute always supply stes costumes, and stages, y do u ask!Www@QuestionHome@Com