Answer:
a. Language
Step-by-step explanation:
-Language is the communication system that people use in a specific place. It includes written or spoken symbols people use in a culture to express themselves.
-Nonverbal cues are the communication that doesn't use spoken or written symbols like body movements and facial expressions.
-Listening is the act of hearing sounds.
-Perception is when someone infers information from the different senses.
-Dissonance is when a person's beliefs doesn't agree with his/her behaviors.
According to this, the answer is that language shows how structures how we perceive the world and defines a culture.