The key philosophical issue regarding the problem of faith and reason is to work out how the authority of faith and the authority of reason interrelate in the process by which a religious belief is justified or established as true or justified.
-- "Faith & Reason," Internet Encyclopedia of Philosophy, accessed September 29, 2022 from https://iep.utm.edu/faith-re/#H1
In this video, Greg Ganssle of Yale University clarifies the terms Faith and Reason and offers a conceptual model of the relationship between the two.