You see a white baby with orange markings and black lettering what type of buoy is this?

A white buoy with orange markings and black lettering is typically a regulatory buoy, specifically a "Regulatory Buoy" indicating specific rules or information for mariners. The orange markings and lettering provide important information such as restricted areas, no wake zones, or other navigational regulations. It's essential to pay attention to the messages displayed on the buoy to ensure safe navigation.