The team norms document (sometimes part of the team charter) outlines behavioral expectations, communication styles, and rules for collaboration. It’s the most appropriate document to provide HR insights into how the team works together.

The PMBOK® Guide – Seventh Edition emphasizes defining team agreements early and using them to manage team dynamics.

Option B shows transparency but doesn't offer structured insight.

Option C is broader and not focused specifically on team behavior.

Option D covers communication logistics, not interpersonal norms.