What do you mean by grapevine? Explain two types of grapevine systems along with diagram.

Explanation

Grapevine refer to the part of information communication Grapevine cuts across formal channels of communication. There is no orderly path of travelling of information.
Two types of grapevine system are:
Gossips chain, in this one person is likely to tell many.
(b) Clusters, in this one person tells to selected few and some of the receivers pass on the information to few others, while some kept it to themselves.