Many of them directly affect you, like requesting special artisans or artefacts, with few options directly affecting other nations. This menu will show you the current emperor, their heir, what the emperor approves and disapproves of and a few interaction options.
In practice, the actual ‘content’ of Jade Dragon amounts to a small menu screen which can be accessed from a tab next to the minimap. In Jade Dragon, the vast Chinese Empire amounts to the face of some old dude.