yg dimaksud si penulis tipitaka itu ajaran buddha dihirarkikan menjadi:
1. Sutta, 2. Geyya, 3. Veyyakarama, 4. Gatha, 5. Udana, 6. Itivuttaka, 7. Jataka, 8. Abbhutadhamma, 9. Vedalla.
Sutta: These are the short, medium, and long discourses expounded by the Buddha on various occasions, such as Mangala Sutta (Discourse on Blessings), Ratana Sutta (The Jewel Discourse) Metta Sutta(Discourse on Goodwill), etc. According to the Commentary the whole Vinaya Pitaka is also included in this division.
Geyya _These are discourses mixed with Gathas or verses, such as the Sagathavagga of the Samyutta Nikaya.
Veyyakarana --- Lit. exposition. The whole Abhidhamma Pitaka, discourses without verses, and everything that is not included in the remaining eight divisions belong to this class.
Gatha --- These include verses found in the Dhammapada (Way of Truth), Theragatha (Psalms of the Brethren). Therigatha (Psalms of the Sisters), and those isolated verses which are not classed amongst the Sutta.
Udana _These are the 'Paeons of Joy' found in the Udana, one of the divisions of the Khuddaka Nikaya.
Itivuttaka _ These are the 112 discourses which commence with the phrases _ 'Thus the Blessed One has Said'. Itivuttaka is one of the fifteen books that comprise the Khuddaka Nikaya.
Jataka _ These are the 547 birth-stories related by the Buddha in connection with His previous births.
Abbhutadhamma _ These are the few discourses that deal with wonderful and marvelous things, as for example the Accariya-Abbhutadhamma Sutta of the Majjhima Nikaya (No. 123).
Vedalla _ These are the pleasurable discourses, such as Chulla Vedalla, Maha Vedalla (M.N. Nos 43,44), Samma Ditthi Sutta (M.N.No.9), etc. In some of these discourses, the answers give to certain questions were put with a feeling of joy.
mungkin sutta yg dimaksud adalah sutta yg ada dihirarki atas.