He discusses the terms pustaha = book; pustaha lak-lak = folding book, and refers to three Batak pustaha in his possession, and defines the following terms:

hata poda: language of instruction

datu: Batak medicine man

poda: different kinds of poda used in divination

pagar: a defensive charm

dorma: a love charm

porhalaan: Batak divinatory calendar

pormesa: zodiac

panggorda: the eight animal symbols

pehu na pitu: the seven planets

pormamis: division of the day into five periods