Mindful of breathing and then a bit about modes of using the mind off the cushion. Are you editing or creating. Switching back and forth? Concentration leads to focus and focus can be big or small but it is still focus and awareness of one conceptual thing. Very complex concepts yes, but we humans can't get three concepts running in parallel, truly independent of the imagination. As if.
Keywords: mindfulness, meditation, posture, editing, creating, writing, visualizing, conceiving, eight fold path, bones, skeleton, hanging, settle, breathe, apple, future, past, layered, complexity, sense doors, delusion