The correct answer for this question is this one:
"The type of channel do Speaker 1 and Speaker 2 use in their communication is that they are directly receive the content of the message via person-to-person, without any device like telephone, sms, or someone who can deliver it to them personally.
Rail - a bar or series of bars, typically fixed on upright supports, serving as part of a fence or barrier or used to hang things on
road - a wide way leading from one place to another, especially one with a specially prepared surface which vehicles can use.
The
analysis of how people relate to each other is known as human resources. Human
resources has very wide scope especially to industrial setting and this also
includes the aspect of people relating one another inside the company and
further into becoming productive team players.
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