The project manager is explaining to others the essential business aspects of the project. To which skill category does this ability belong?

Technical project management skills refer to competencies in applying project management tools, processes, and methodologies - not explaining business context.

Time management skills relate to scheduling, prioritization, and personal productivity - not communicating business value or strategy.

Strategic and business management skills encompass the project manager's ability to explain the business rationale, organizational strategy, and value drivers behind a project. This includes understanding how the project aligns with portfolio objectives and being able to articulate business cases, market conditions, and financial impacts to stakeholders. The PMBOK Guide defines this as one of the three core skill categories for project managers.

Leadership skills involve motivating teams, resolving conflict, and influencing stakeholders - not articulating the business case or strategic rationale of a project.