You are sailing south on the Intracoastal Waterway (ICW) when you sight a red nun buoy with a yellow triangle painted on it. Which statement is TRUE?

A
Geometric symbols such as squares and triangles replace letters and numbers on ICW aids to navigation.
B
The ICW and another waterway coincide in this geographical area.
C
The yellow triangle identifies a sharp turn (over 60°) in the channel.
D
This is an information or regulatory buoy that also has lateral significance.
E