Black and white and Written material

Black and white noun - A black-and-white photograph or slide.

Written material and black and white are semantically related. In some cases you can replace phrase "Written material" with "Black and white", this phrases are similar.

Written material noun - The work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect).

Black and white and written material are semantically related. Sometimes you can use "Black and white" instead a noun phrase "Written material".