Pre-announcement, communication during the event or project

Using a situation in your organization, propose a communication that incorporates pre-announcement, communication during the event or project, and communication afterward.

What key things would you include as the leader of the organization? Why?
What role would motivation theory play?
How would you use the affective domain in planning communication?
What role would problem-solving processes play?
What do you recommend to leaders, concerning internal and external communication planning?
Cite your sources. Discuss the strengths and weaknesses of other plans that are proposed.