1. To begin or continue to advance forward. Said especially as a command. Let's move along before the police show up! Move along, everyone—this conversation is no one's business but ours.

2. To instruct, direct, or compel someone to advance forward. In this usage, a noun or pronoun can be used between "move" and "along." The police finally showed up to move along the crowd of onlookers. I'm sorry, ma'am, but I need to move you along—your car is blocking access to this alley.