During this talk, Allie Vaknin provides a review of the second of the four foundations of mindfulness, vedanupassana, traditionally translated as mindfulness of feelings.  Her comments include references to how feelings can be understood not only as emotions, but also as craving pleasant experiences orexperiencing unpleasant feelings with aversion.  The goal of practice is to directly know a feeling as just a feeling, not a person, without impulsive reactivity.

Here is the Emotion Wheel illustration she refers to in the talk:  Feeling Wheel