Conversation so far:
What is the order of words meaning?
Frye argues, as an order of words, providing criticism with a conceptual framework and a body of knowledge derived not from an ideological system but rooted in the imagination itself.
Was his work praised?
CANNOTANSWER.
What contribution did his work make to the literary world?
The recurring primitive formulas Frye noticed in his survey of the "greatest classics" provide literature with an order of words, a "skeleton.
What is the skeleton to him?
a "skeleton" which allows the reader "to respond imaginatively to any literary work by seeing it in the larger perspective provided by its literary and social contexts" .

Question: Why are they helpful to understand?
Self-contained rewrite: Why are primitive formulas helpful to understand?