If that's what you think how bout the other way around? How can you evaluate content between without design?

No typography, no colors, no layout, no styles, all those things that convey the important signals that go beyond.

The mere textual, hierarchies of information, weight, emphasis, oblique stresses, priorities, all those subtle cues.

Copy but then designers might want to ask them to provide style sheets with the copy decks they supply that are in tune.