Abel is designing a website for a startup IT firm. He intends to discuss the web design with his client. Which tool should Abel use to help his client get a idea of how the website will look?
A. bulleted list of titles, subheadings, and images
B. chart depicting the navigational flow of the website
C. layout of each page with its respective elements
D. pictures and screenshots of websites of other firms
E. programming code for the website