UseSupport. Probably the key component of support is understanding just what is not working or what is needed. Contacting Whitemarsh is the first step in creating a real understand of just what is needed. UseSupport addresses the five critical needs. The first is obvious: Why Use Supports. The second through the fourth are assistances to production application users of Clarion. The fourth, Prototyping, while requiring and using Clarion, is focused entirely in High-Payoff, Extremely low cost Prototyping.