Character traits are distinguishing characteristics of a person or group that can be used descriptively. They can refer to personality or physical traits a person or group possesses.
When describing a person or group of people, some character traits used may relate to how the person or group acts, such as annoying, bossy, calm or nervous. It can also refer to physical characteristics, such as athletic, plain and strong.
Research has found that certain character traits related to a person's level of anxiety, eagerness for new experiences and friendliness stay about the same throughout life, according to The New York Times. However, character traits related to feelings of satisfaction, morale and alienation can vary throughout life.