Edward Tufte, one of the people who coined the word, explains: https://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0003uY https://www.edwardtufte.com/bb

Edward Tufte, one of the people who coined the word, explains: https://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0003uY https://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=...