Sender of the message is the person who contacts other person with the objective of passing the message, the sender may be a superior, a subordinate or any other person.
Message is the subject matter of the communication which is intended to be passed to the receiver from the sender.Message may be in the form of ideas, opinion, feelings, views, orders, suggestion etc.
Since the ideas opinions, feelings, views, orders, suggestion etc.their transmission required the certain symbols such as words,pictures, gestures and other body language.
Message converted into symbols in transmitted by senderthrough a channel like written word in the form of letter orelectronic mail spoken word through personal contact ortelephone depending on the situation of the parties – senderand receiver.
Receiver is the person to whom message is sent like thesender, the receiver may be a superior a subordinate or anyother person in the organizational context.
Decoding is just the reveres of encoding, the receiver convertsthe communication symbols transmitted by the sender intomessage like encoding, decoding should also be meaningful sothat receiver understands the message in the sense which isintended by the sender.
Feedback in communication is required to ensure that thereceiver has received the message and understand it in thesame as the receiver intended. Feedback is a system that helpsin understanding whether the system is working properly.