Kināyāt include indirect words for persons, things, or quantities.
Teaching example: كَمْ كِتَابًا قَرَأْتَ؟ — How many books did you read?
Kam: interrogative noun built on sukūn, in accusative position as fronted object; kitāban: accusative specification; qaraʾta: past verb with -ta as subject.
The book here names the category; full treatment follows elsewhere.