Failed to get the meaning of "for"- does it refer to "for understanding"?

Context:
Each ... "subject has a legitimate magisterium, or domain of teaching authority ... This resolution might remain all neat and clean if the nonoverlapping magisteria (NOMA) of science and religion were separated by an extensive no man's land. But, in fact, the two magisteria bump right up against each other, interdigitating in wondrously complex ways along their joint border. Many of our deepest questions call upon aspects of both for different parts of a full answer—and the sorting of legitimate domains can become quite complex and difficult.[2]

More:
https://en.wikipedia.org/wiki/Non-overlapping_magisteria#National_Academy_of_Sciences