Gruit was a combination of herbs, commonly including sweet gale (Myrica gale), mugwort (Artemisia vulgaris), yarrow (Achillea millefolium), ground ivy (Glechoma hederacea), horehound (Marrubium vulgare), and heather (Calluna vulgaris).
Introvert and extravert. Introvert and extravert, basic personality types according to the theories of the 20th-century Swiss psychiatrist Carl Jung.
In the Myers-Briggs typeology system, there are sixteen personality types consisting of four letters: E for extrovert or I for introvert, S for sensor or N for intuitive, T for thinker or F for feeler, and P for perceiver or J for judger.