To fully capture the salient qualities of deeply engaging experiences, a broader palette of emotions is necessary. One kind of emotion is the feel- ing of understanding in an experience of learning. The term “feeling of understanding” highlights the vital quality of learning that is implicit, non-logical, and non-verbal. Examples include the feeling that an indi- vidual may have for the meaning of a difficult text passage, the symbolic significance of something in a work of art, the connection between an abstract idea and a concrete part of one’s world,.