In the acronym KBW on a Range Daymark, what does 'K' represent?

In the context of navigation and particularly when interpreting daymarks, the "K" in the acronym KBW stands for the "Shape of the mark." Daymarks are visual navigational aids that assist boaters in identifying channels and hazards. The shape of these marks is crucial since different shapes can convey specific meanings about the navigation aid's function or the rules of the waterway.

Understanding the abbreviation helps mariners quickly grasp essential characteristics of daymarks. While color, size, and type of light are also important attributes of navigational aids, the focus on shape in this acronym highlights its significance in maritime navigation. Each shape can indicate whether the mark is a buoy representing a safe water area, a danger, or if it signifies specific channel directions or entrances. This is vital information for maintaining safe passage and navigating through waterways effectively.