An extrovert is a person who is friendly and outgoing, who is energized by being around other people. Extroverts are interested in and concerned with the external world. They enjoy social situations and even seek them out since they enjoy being around people. They often think best when they are talking. Concepts doesn't seem real unless they can talk about them, reflecting on them isn't enough.
An introvert is a person who is energized by being alone and whose energy is often drained by being around other people. They are more concerned with the inner world of the mind. They enjoy thinking. They often avoid social situations, because being around people drains their energy. After being around people, they need time alone to recharge.
My personal experience. At her very best, wherever she goes, she rejoices and celebrates. She wants her love, life and laughter to spread all over the world. However, at the end of the day, she needs her time alone. to retreat, renew, and restore her sense of balance and well being.