Trade:

Establish Trade Routes: To initiate trade, you must first have founded a city. Select a city and choose the 'Trade Route' option. This will bring up a list of available trade partners, either AI civilizations or city-states.

Select a Destination: Choose a target city or civilization for your trade route. Consider factors like distance, existing relationships, and the resources they offer.

Choose Trade Goods: Depending on the type of trade route (Domestic or International), you can trade various goods. Domestic trade routes primarily focus on internal resource distribution, while International routes involve exchanging resources or luxury goods with other civs for Gold, Science, or Culture.

Manage Trade Routes: Once established, trade routes require maintenance. Monitor their effectiveness and adjust as needed. You can increase the yield of a trade route by building improvements along its path or by having specific technologies and civics.

Benefits of Trade: Successful trade routes provide significant economic benefits, including increased Gold income, access to rare luxury resources that boost city amenities, and diplomatic favor with trading partners.