star
The German word for star is 'Stern'. It is a masculine noun and is used to refer to celestial bodies that emit light. In German, 'Stern' can also be used metaphorically, similar to English, to refer to a famous person or a symbol with five or more points.
The star is very bright at night.
In this sentence, 'Stern' is used in a singular form to refer to a particular star that is very bright in the sky during nighttime.
She looks like a movie star.
This is a figure of speech in German where 'Filmstern' is used to describe someone who has the looks of a movie star.
Underneath every star there is a story.
This statement is another figurative phrase which implies that each star in the sky could represent a different story.