As association says the Professor can talk to the Course Offering, and the Course Offering can talk to the Professor. Messages can be initiated and data can flow from any direction.
Kama chama anasema Profesa wanaweza kuzungumza na kozi Offering, na kozi Offering wanaweza kuzungumza na Profesa. Ujumbe unaweza kuwa ulianzishwa na data inaweza kutokana na mwelekeo wowote.