Citation:
The Big Five Personality Traits are five broad dimensions used to describe human personality. These include openness to experience, conscientiousness, extraversion, introversion, agreeableness, and neuroticism.
This is one of the Big Five factors; it refers to how organized, responsible, dependable, and persistent an individual is.
Another factor from Big Five; it involves being kind, cooperative, sympathetic, helpful etc.
It's part of the extraversion-introversion spectrum in Big Five model; introverts are typically more reserved and less outgoing than extroverts.