The five aggregates (skandhas) are

Form (rupa) is made up of

• earth
• water
• fire
• wind

Feeling (vedana) is one of

• pleasant,
• unpleasant
• neutral

Feelings arise when there is contact between the six internal organs and the six external objects.

Perception (samjna) a is related to the six external objects

Volition (samskara) is the response of the will to the six external objects

Consciousness (vijnana) grasps the characteristics of the six external objects

• Visual consciousness
• Auditory consciousness
• Olfactory consciousness
• Gustatory consciousness
• Tactile consciousness
• Mental consciousness