This area can be determined by reviewing related material from HCA 300. All organizations tend to have both formal and informal patterns of communication, though smaller organizations tend to be less formally structured. That is, professional conduct is often depicted in the manuals. The policy and procedure manual will be a good source of information for many aspects of the organizational assessment. It often includes org charts, decision making guidelines, etc.
Vertical communication refers to getting information flowing up and down the organizational chain.
This communication tends to be more formal. Horizontal communication can be both formal and informal. Brainstorming decision making and communication patterns are often the way organizations set ideas into motion without a forma review process. This is an example of communication that takes place in staff meetings, etc. You will find that most major decisions will be formal.