The figure given below demonstrates the communication model for a project.

Noise is anything that disrupts the communication method such as static on the telephone line, distracting conversations, or misunderstandings.

Answer option A is incorrect. Static is an example of noise, but it is not part of the communication model.

Answer option D is incorrect. A barrier to communication is when communication cannot happen under the present conditions.

Answer option B is incorrect. A deterrent is not a valid part of the communication model.