Hey @wendy10698 ,
As mentioned, everything.
Simply though, the crew will view your final render in the gallery, looking at the overall finish quality of the modeling and texturing.
Visual appeal in the final image will be advantageous.
I don’t mean model an entire scene, a curved plane and some basic lighting is good.
Something like this:

Will give you a beautiful render of a default cube:

Remember:
Beauty is in the eye of the beholder!