Learning how to recognise pleasant, unpleasant and neutral feeling-tone at the six sense doors, and guidance for exploring this in pairs, naming pleasant and unpleasant feeling-tone out loud
The purpose of insight as seeing clearly into the three universal characteristics of anicca - impermanence, dukkha - unsatisfactoriness, and anatta - not-self, and how the five hindrances of sensual desire, ill will or aversion, sloth and torpor, restlessness and remorse, and sceptical doubt get in the way of clear seeing
Some definitions of mindfulness, and two ways of working with mindfulness of breathing: for calm and concentration, or to refine mindfulness and clarity