The phrase "best vantage point" refers to the most advantageous or optimal position from which to observe, view or assess something. It is a place that provides an unobstructed and clear perspective, allowing for better understanding and interpretation of what is being observed. The term can be used in various contexts such as describing the best location to watch a parade, a sporting event, a sunset or even to analyze data. Essentially, it refers to the most advantageous point from which to gain knowledge, insight or enjoyment.