In the darkness between two early scenes of “The Flick,” now on the boards at the Redhouse Arts Center, I heard a voice behind me whisper, “I’m not sure where this is going.” While that particular theatergoer might have been expressing frustration, he was also setting up the question playw right Annie Baker wants to explore in her funny, poignant, and truthful play. As we play out our lives, we often don’t know where this all is going, and we don’t always want to ask for directions because the answer might be nowhere. ...read more read less