It also needs a more distributed, contextual, reality based side, to integrate the naturally nonsensical medium of language back to intuitive sensory/spatial analogies.
Apart from vocabulary questions the verbal reasoning section contains questions based on deductive and inductive reasoning, analogies, complex multipart sentence completion and reading comprehension.
Presumably this arose as a chance observation of some accidental analogies between different groups, but it was erected into a guiding principle by the quinarians.