black and white
idiomPart ofwhite
black and white — idiom
1. in a way that is written down and can be proved; or describing a situation that
1.idiom
Definition
in a way that is written down and can be proved; or describing a situation that is very clear, with no room for doubt or in-between
Example
The contract set out the terms in black and white for both parties.
Theo sees the world in black and white, but real life is usually more complex.