One way for a design document to show it solves thecustomer's problem is to include a:
a. cross-reference to the requirements b. list of modulesand their functions c. cross-reference to thespecifications d. list of inputs, processes, and outputs

the answer is b. executive summary. a management summary, or executive summary, is a short article or section of a document, produced for business purposes, that condenses a longer report or proposal or a group of related reports in such a way that readers can rapidly become familiar with a large body of material without having to read it all.

the answer is c