Comprehensive and Detailed Step-by-Step
Timeboxing is a project management technique where discussions or tasks are allocated a fixed, predefined duration. This approach prevents meetings or activities from exceeding their scheduled time, ensuring efficiency and focus. In the context of a project kickoff meeting, timeboxing ensures that each agenda item is addressed within a set time, preventing unnecessary delays.
Reference:
CompTIA Project+ PK0-005 Official Study Guide, Chapter 3: Time Management

Explanation
The project manager should produce a project charter first to start communication about the boundaries of the project. A project charter is a document that formally authorizes a project and defines its high-level scope, objectives, assumptions, constraints, stakeholders, roles and responsibilities, and key deliverables. A project charter can help to communicate the project vision and expectations to all stakeholders and provide a basis for future project decisions23

A dashboard is a visual tool that displays key project metrics and indicators in a single view12. A dashboard can help a project sponsor to provide the latest project status information on a weekly executive call by showing the project progress, budget, schedule, risks, issues, and milestones in a clear and concise way34. A dashboard can also facilitate communication, collaboration, and decision making among project stakeholders56. A dashboard should be reviewed and updated regularly to reflect the current state of the project7. References = CompTIA Project+ Certification Study Guide8, CompTIA Project+ Certification Exam Objectives9, Write a Project Status Report in 8 Steps + Template [2023] * Asana6, Project Status Reports: 9 Easy Steps & Examples [+ Template]7, How To Write a Project Status Report (Definition and Steps)8, How to Write a Project Status Report [Template Included] - Toggl9, What Is a Project Status? Definition and Key Terms - Indeed10

According to Four agile ceremonies, demystified, one of the Scrum ceremonies is the daily stand-up, which is a short meeting to discuss progress and identify blockers. Blockers are any issues or impediments that prevent the team from completing their tasks or achieving their goals. Reviewing project blockers during the daily stand-up helps the team to resolve them quickly, collaborate effectively, and stay on track1. The other options are not likely to take place during a Scrum ceremony, as they are either part of the initial project planning or outside the scope of Scrum.

The project manager should inform the project sponsor about the issue and seek their guidance and support.
The project sponsor is the person who provides the resources and authority for the project, and who can help
resolve any conflicts or problems that may arise. The project manager should not withdraw the offer, ignore
the lawsuit, or use a third-party company without consulting the project sponsor first, as these actions may
have legal, ethical, or financial implications for the project and the organization12.