- (idiomatic) Explicitly, in writing, clearly and without doubt or misunderstanding, without any grey areas.
- I'll believe that when I see it in black and white.
- (literally) Using shades of grey/gray rather than colour/color.
- This film was shot in black and white.
- Having it displayed using shades of gray/gray rather than colour/color (as it was shot or recorded).
- to watch color films in black and white