This manuscript defines the sophisticated high-level Dhamma explaining the main or important topics of the Dhamma: Cita (meritorious thoughts or Kusala, demeritorious thoughts or Akusala, neutral thoughts of neither meritorious nor demeritorious ones), Vedanā (happiness, suffer, neutral feelings of neither happy nor suffering ones), Rūpa (form), and moderate-length explanations of different Dhamma topics.
Colophon:
สระเดฌแล้วเวลาสูดแล้วหั้นแล ฯ
[I] finished copying [this manuscript] at the daily chanting time.
Other notes:
(Left side of the first folio) “Abhidhammasaṅgiṇī, third fascicle”