Adieu basically is a farewell remark or a parting phrase which is quite similar to goodbye, sayonara, so long, arrivederci, au revoir, etc. Adieu usually means good-bye, par
…ting phrases are simple lines which are expressed to show friendship or social status among people or collection of people who are separating from each other. Parting phrases are highly traditional circumstances and interpersonal and can differ inside a society depending on community rank and individual relationship. This subject comprises of rituals apart from additional gestures. Gestures are also types of non-verbal communications made via body parts, like a handshake. The language applied along with a gesture is believed to be quite rich in ways for people to express a range of feelings and opinions. (MORE) 
