Did revelations occur to people other than prophets as in the mother of Prophet Moses? If yes, why are they not considered as Prophets?

While going through the below question: Can Maryam be considered a prophet even though she's a female? Why or why not? I came across this comment: > You may want to include the stance of Maryam as one of the four women > who completed iman, and **that revelations occurred to other than > prophets ad in the mother of Mussa.** ***Can someone elaborate on it to help us understand it better.***