As any agency knows, metrics are the heartbeat of any marketing campaign, video included. Yet, the terms can sometimes seem like a foreign language. Here are some key terms to understand: Views: Counted differently across platforms, YouTube counts after 30 seconds, Facebook after 3. Play Rate: The percentage of viewers who clicked play. Engagement Rate: The percentage of viewers who interacted with your video. Click-Through Rate (CTR): The rate at which viewers clicked on you