Never assume that describing something in basic, simple, fundamental terms will annoy your audience. Dumbing down is a form of distortion and possibly deception. Simplifying and clarifying are forms of altruistic communication. Find out more about the differences between "dumbing down" and simplifying and clarifying...and how to decide how simple an explanation should be.
Streight, Steven. Blogger.com (2004). Articles>Documentation>Writing>Business Communication