The Catholic(?) "Holy Trinity" diagram, with some changes. In the centre, "Tights." The three points on the outside, connected to the centre with a line labelled "Is", and connected to the two nearest outer nodes with "Is Not" forming a triangle, are "Pantyhose," "Leggings," and "Yoga Pants."
https://cdn.shadowkat.net/media/85/61/04/8561049fac17b6e184ba2811305063f9f630a63c757977455497b4cae151705a.jpg