need help

1. What are some of the criteria for an effective message? (Points : 25)

Question 2. 2. Why is the statement, "Never have a sentence with more than 20 words or a paragraph with more than 8 lines" considered a half-truth? Explain. (Points : 25)

Question 3. 3. Describe some of the negative roles and actions that may hurt a team's product and process. (Points : 25)

Question 4. 4. Karen Reeves is working on a project with her colleague, Jonathan Hoffman and needs to communicate with him regularly throughout the day to coordinate activities for upcoming projects. She needs a communication medium, which can help her convey short messages conveniently without wasting time. What common media should Reeves use and how would it help her in communicating efficiently with Hoffman?  (Points : 25)