The horizon is divided in degrees from zero right ahead to 180 right astern, those on the starboard side are called green and those on the port side red.
Ulundi lahluke langamaqondo ukusukela kuzino kanye phambili ukuya ku 180 kanye ngemva, loo maqondo akwicala lasekunene abizwa ngeluhlaza kanli lawo akwicala lasekhohlo abizwa nge bomvu.