GENERAL KNOWLEDGE

Detailed explanation-1: -Unofficial: As informal communication does not adhere to any organisation rules, it is an unofficial communication channel.

Detailed explanation-2: -Informal communication refers to the communication that flows without following the formal defined path. An informal communication system is also known as grapevine. Under informal communication, a piece of information flows in all directions without paying any heed to the level or authority.

Detailed explanation-3: -The informal channels of communication used by the informal organization are often referred to as the grapevine or the rumor mill.

Detailed explanation-4: -Formal communication follows a hierarchical structure and chain of command. The structure is typically top down, from leaders in various departments and senior staff in the organization, which funnel down to lower level employees.