Mindfulness is a collaboration of concentration and awareness, designed to balance the mind. In a context of non-reactivity the three characteristics are clearly seen.
This is really 2 talks in one, the first suggests different ways to work with strong emotions in both vipassana and dzogchen styles. The second relates the qualities of mindfulness and consciousness as used in Pali Suttas to the innate awareness of rigpa.
Mindfulness of breath leads to the potential for accurate understanding of mental and physical experience. This simple mindfulness can lead us to the end of suffering.