Conscious understanding "[c]haracterized by the use of clear, expressive language."1, 2
Notes

1articulate,The American Heritage Dictionary of the English Language, 4th Edition, Boston: Houghton Mifflin, 2000. www.bartleby.com/61/ [June 24, 2005]

2In my opinion, this definition benefited from the inspiration that I received from Chris Matthew Sciabarra's discussion of the tacit and the articulate in his book, Ayn Rand: The Russian Radical.