Dhātu-vavatthāna: The comprehension of dhātus
At an instant in a form object or any real object All the four dhātus, i.e. all the four states of matter The paṭhavi dhātu as solid, the āpo dhātu as liquid The vāyo dhātu as gas, and tejo dhātu as heat At the novice level, states of matter as dhātus But for higher stages more subtle lakkhaṇa (properties) of matter Rather than just paṭhavi as solid, more precise, i.e., degree of hardness and softness Āpo as the degree of fluidity and cohesion Vāyo as the motion, vibration, support Tejo as the degree of hotness and coldness Because at characteristic level, dhātus, not just conceptual categories Instead, direct objects for senses Shifting of attention from coarse dhātu to subtle lakkhaṇa May or may not the noting method shift from continuous to transition basis of noting Continuous noting vs transition basis of noting Continuous noting when continuous noting of any dhātu in mind Like whilst a walk, vāyo dhātu, vāyo dhātu, ... Transition basis of noting when noting of a dhātu only on sw...