Short quote: best advice
New Questions and Answers from Chicago Manual of Style. (note: this link will only work through the end of July, 2009. CMOS does not archive Q&As by month:
And after you decide, if you think it's possible that others might be confused about what it means, you should probably keep working on that slogan.
This type of thing happens more than it should. If internal debate can't agree on what is being said, why does everyone expect the customer will accept their version? Rewrite is frequently overlooked as a primary editing tool.