The idiom "black and white" means something that is very clear and easy to understand. It refers to a situation or information that is straightforward and unambiguous, with no room for confusion or doubt.
For example, if someone says "I need you to sign this contract in black and white," they mean that they want a written agreement that is clear and specific, with no room for misinterpretation.
Similarly, if someone says "The rules are black and white," they mean that the rules are very clear and there is no room for exceptions or interpretation.
Overall, the idiom "black and white" is used to describe situations or information that is very clear and easy to understand, with no room for confusion or doubt.
• The editor requested that the writer revise the article to include more nuance and avoid presenting the issue in black and white terms.
• It is easy to understand the rules when they are black and white.
• In the legal case, it was not a simple black and white issue; there were many gray areas.
• The company's policy on discrimination was black and white, and there was no room for interpretation.
• The teacher explained the assignment in black and white so that everyone could understand it clearly.
• The artist's use of black and white photography added a timeless quality to the exhibit.