Decker n. : One who, or that which, decks or adorns; a coverer; as, a table decker.

Decker n. : A vessel which has a deck or decks; -- used esp. in composition; as, a single-decker; a three-decker.

Example:
How much would it cost to convert a double Decker bus to hydrogen?

Taxonomy
Decker Communications, Influence, Made to Stick, Open Program, hands-on experience, stickiness, Client Spotlight, Continuous improvement, executive training, Bob Geren, Manager, Oakland Athletics, Consciousness, top of mind, loop, LinkedIn, Twitter, design.

Defination from the web:
Helping to improve spoken communication within a company. Includes advice, information on tools, skill building programs, and consulting services.