What does a white buoy with an orange square and black letters what does this boy tell you?

A white buoy with an orange square and black letters indicates a controlled area, typically marking a specific regulatory or informational zone. The letters may provide instructions or warnings, such as "No Wake," "Swim Area," or other important messages for boaters and swimmers. It is essential to adhere to the guidance provided by the buoy to ensure safety and compliance with local regulations.