aggregate of formations

...from pg. 185, The Light of Wisdom, Vol. 1, Appendix 7:

V. The aggregate of forms can be divided into fifteen:

• 1-4. The four causal forms, which are the four elements of earth, water, fire, and wind.

• 5-9. The five sense objects of visual form, sound, smell, taste, and texture.

• 10-14. The five sense faculties of eye, ear, nose, tongue, and body.

• 15. Imperceptible form. RY