x1=v1 is an authoritative document of x2=v2 (data/facts/du'u) about x3=v3 (object/event) preserved in medium x4=v4, by authority x5=c1 over matter/sphere/persons x6=c2 derived on basis x7=c3.
cu1=ct1 is a textbook for teaching ideas/methods ct3 (du'u), by author cu3 for audience cu4=ct2 about subject(s) ct4 by method ct5, preserved in medium cu5.
c1 is an/the accounting function/activities involving persons c2, using currency issued by j2, recording v2
(data/facts/du'u) about v3 (object/event); c1 is accounting.