Personality traits that describe human behavior are called Big Five Traits. It includes Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism.
An example would be a person who scores high in openness may enjoy trying new foods, exploring new places, and engaging in creative activities. A person who scores high in conscientiousness may be organized, responsible, and reliable. A person who scores high in extraversion may enjoy socializing, being the center of attention, and taking risks. A person who scores high in agreeableness may be empathetic, cooperative, and compassionate. A person who scores high in neuroticism may be anxious, moody, and easily stressed.