Who is listener?

45. 
    Who is listener?
    

Someone who listens to someone or something a radio program with many listeners a friend who's a good listener [=who listens attentively and sympathetically] Fanny, being always a very courteous listener, and often the only listener at hand, came in for the complaints and distresses of most of them.Listening is an important part of connecting with and learning from others, whether it’s a close friend, boss or family member. Learning to be a better listener prepares us to understand the lives and needs of others, as well as absorb information that might be pertinent to our own worldly experience. Listening is much more than hearing; it requires active — although mostly silent — participation to create a mutual interaction that builds communication, trust, and even compassion. In the workplace, being a good listener can help improve your productivity and help you make fewer mistakes,especially if you’re working in a virtual capacity where you can’t turn to a coworker to ask for clarification. It can also help with general communication across your team and company and promote more positive collaboration.

45. 
    What is message?
    

A message is a discrete unit of communication intended by the source for consumption by some recipient or group of recipients. A message may be delivered by various means, including courier, telegraphy, carrier pigeon and electronic bus. A message can be the content of a broadcast. An interactive exchange of messages forms a conversation.

45. 
    Explain what is context?
    

the circumstances that form the setting for an event, statement, or idea, and in terms of which it can be fully understood.the parts of something written or spoken that immediately precede and follow a word or passage and clarify its meaning.Context is the facets of a situation, fictional or non-fictional, that inspire feelings, thoughts and beliefs of groups and individuals. It is the background information that allows people to make informed decisions. Most of the time, the view of a person on a subject will be made in response to the presented context. In storytelling, it is everything that surrounds the characters and plot to give both a particular perspective. No story takes place without contextual information and elements.

45. 
    Explain what is interference?
    

the action of interfering or the process of being interfered with.the combination of two or more electromagnetic waveforms to form a resultant wave in which the displacement is either reinforced or cancelled.Interference is defined as the phenomenon of superimposition of two or more waves of same frequency emitted by coherent sourcessuch that the resultant wave is equal to the sum of the amplitude of the individual waves