The Great Hall serves three major purposes. 1) Providing a location for constant feasting, 2) Providing luxurious housing for Exemplars, and 3) producing nutritious Beer. Every level of this building only increases the Feasting, Housing, and Beer, earning growing Respect throughout the settlement. Every NPC and Exemplar in your Settlement and out will be able to see your success in the form of your luxurious Great Hall.
These precious trees can only grow within the Inner Courtyard, and providing space for them it's it's second greatest function. (The first being unlocking other Rank 4 Districts). Orchards grow Olives, which are the only path to Oil Presses and all Oil-reliant products. If for some reason you ever have enough olives, Orchards can also grow Produce.
You can never have too many Pack Animals. Good for processing into Trader Equipment, using for Direct Trades, and useful in many Scenarios and Actions. Tackhouses process Livestock into Pack Animals, increase Prosperity, and decrease Health in their district.
Ministry - LandscapingThe ministry of the Inner Courtyard concerns itself mainly with maintaining the enjoyable atmosphere of the district. This mostly involves tending the trees and keeping the donkeys from chewing the hedges.
Ideally built, the Inner Courtyard is indefensible. Though several happinesses are provided for by it's native buildings, not a single point of Security is provided for. Sovereigns should consider defenses.
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