Driving represents the ability of the player to create his on shots, without the need of a pass from a teammate.
ps: check out the Rules page, there is a lot of useful information for you there (including this answer) :D
Thanks for the response. I just re-read the rules. I even found a typo ("you" instead of "your") after "Enthusiasm" on the tactics page. ;-)
I'm looking for official or unofficial feedback on "Driving". I don't know which tactic(s) take advantage of the driving skill. Some of the other tactics more obviously correspond to player skills. For example, inside shot should be useful for "Look inside" and "Low Post", which have an "inside focus". Jump shot and jump range are useful for "Motion", which the rules say has an "outside/mid range jump shot focus".
Perhaps driving is good when the offense is "Patient", because players need to wait and then create their own shot with the shot clock winding down? Is driving useful for "Push The Ball" because players will be looking to fast break to the rim?