What does the idiom, "it's raining cats and dogs" mean?
We can collaborate on the project together.
These artifacts are from the Neolithic Era.
Teacher, may I please use the lavatory?
If the structure isn't built right, the ceiling could collapse!
What is the isotherm on the map?
The medicine will help alleviate the pain.
What do you want help with
A general rubric does not evaluate the supporting details in a piece of writing.
A descriptive quote is simply a quote that throughly describes and gives details about a subject or in this case a character.
Without more information on your assignment, my best understanding is that your teacher is looking for a quote from whatever literary piece you are reading that best describes each of the characters.