Answer:
Informal communication
Explanation:
Informal communication : It is the causal form communication that is happened in between family members. But in the business communication sometimes this type communication called grapevine communication. This has been occurred during the conversations, text massages, phone calls, and the socializing employees. Informal communication is sometimes better for relaxation, light mood and every member of the family enjoying the conversation with each other. The informal communication done by boss and the manager of the company to make the business development success.