Answer-
This form of communication is when there is an interaction between two people.
The most common example of this is face to face communication happening between two people.
An interview ,a conversation,and intimate communications come under this type of communication.
It is more persuasive and also influential than any other kind of communication.
As it involves human beings ,interplay of words and gestures ,the warmth and human closeness and in fact all our senses.
Feedback is the most important here.
It is instantaneous.