Complex sentence: It is a cluster of personality traits that characterize one's relationships with other people within a society; these skills can include social graces, communication abilities, language skills, personal habits, cognitive or emotional empathy, and leadership traits.
Split into simpler sentences: It is a cluster of personality traits that characterize one's relationships with other people within a society. These skills can include social graces, communication abilities, language skills, personal habits, cognitive or emotional empathy, and leadership traits.