The challenge of attending and being mindful. Mindfulness (sati) and Attention (manasikāra) are different things. Attention comes in two forms: voluntary and involuntary attention.
Teaching on this key factor in the Satipatthana Sutta, including the four commentarial categories:
Clear comprehension of purpose (Pāli: sātthaka)
Clear comprehension of suitability (sappāya)
Clear comprehension of domain (gocara):[12]
Clear comprehension of non-delusion (asammoha)
