I know about G, PG, A, R rated movies, but came across 'F' rated movies (e.g. on this list), does anybody know what it means?
Wikipedia has this to say about "F-rating". It is to:
highlight films which either had a senior figure in production who was female – a director or a screenwriter – or had very strong female leads or women's issues
Or to put it more simply:
A rating to highlight women on screen and behind the camera.
I believe the "f" stands for "feminist".