A solid resource on this is Nancy Schreiber ASC’s course on creating look books. It walks through how professionals develop visual references during pre-production:
https://www.studentfilmmakers.com/courses/nancy-schreiber-asc-how-to-create-look-books/
(On-demand, $49)
https://www.studentfilmmakers.com/courses/nancy-schreiber-asc-how-to-create-look-books/
(On-demand, $49)
