There are many individual components of a setting, but this tag is for the more meta of information.
Newest Trigate Impedimenta
Tresslaks: Precursory Creations or Frauds?
Brains, Works, and Citizenship: How Citizenship Works in the Planar Council
Psionic Manifestations: What Are They?
How Does the Planar Council Work, Part Ⅰ: Delegates and Responsibilities