Answer:
The term that can be used is direct characterization.
Explanation:
Direct characterization refers to the way an author or another character within a given story describes a character which may be through the use of descriptive adjectives. It is very important because it shows the character's motivation, ie what character wants, fear, love, and hate.
So, when one character is descibed by another character, the best literary term to used is direct characterization.
