Complex sentence: After attainment of Nibbana, the five aggregates (physical forms, feelings/sensations, perception, mental formations and consciousness) will continue to function, sustained by physical bodily vitality, this attainment is termed "the nibbana element with a residue remaining".
Split into simpler sentences: After attainment of Nibbana, the five aggregates (physical forms, feelings/sensations, perception, mental formations and consciousness) will continue to function, sustained by physical bodily vitality. This attainment is termed "the nibbana element with a residue remaining".