Definition of sender and example:

The definition of a sender is someone who sends a message to are receiver through a particular channel. The senders an individual, group or organization who initiates the communication.

For example: Mina writes a letter to her friend. Mina is the sender.

 Definition of receiver and example:

Receiver is the person who gets the message and tries to understand what the sender actually wants to convey and then responds accordingly.

For example: Mina writes a letter to her friend Tina .Tina is the receiver.