yig cha

ཡིག་ཆ
1) dpe cha[s] and various kinds of writings; 2) philosophy/ definition text, document, obligatory manuals, records, notes, [monastic]/scholastic text[book]/manual TSE [IW]

textbooks [ggd] [RY]

obligatory curriculum, directories, manuals, codified scholastic manuals, deeds, documents, articles of writing, texts, records, notes, sectarian manuals [JV]

curriculum; document, obligatory manuals, records, texts, notes, monastic textbook, scholastic manual. obligatory syllabus; study manuals [RY]