What aspect does the project plan framework include in the Strategic Planning phase?

The project plan framework includes the project lifecycle, key milestones, and resource needs as a critical component of the Strategic Planning phase. This is essential because it outlines the overall roadmap for the event from inception to completion. The project lifecycle helps to identify the stages that the project will go through, ensuring that all necessary steps are organized and executed in a timely manner.

Key milestones serve as checkpoints in the planning process, allowing event planners to track progress and make necessary adjustments, ensuring that the project remains on schedule. Additionally, identifying resource needs ensures that all required materials, personnel, and budget considerations are accounted for at each stage of planning. This comprehensive view not only supports effective project management but also enhances the probability of achieving the event's objectives. In contrast, the other options like event registration strategies, social media engagement tactics, or attendee engagement metrics are tactics or elements that might be utilized within the broader framework but do not specifically define the foundational structure of a project plan.