n. The state or character of being succinct; brevity; conciseness; terseness: as, the succinctness of a narration.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. terseness and economy in writing and speaking achieved by expressing a great deal in just a few words
Word Usage
"Not sure yet, but have decided to get into the swing of succinctity (I realize, but I dislike the sound of "succinctness" -- clumsy-sounding) by attempting a series of short posts."