What was the purpose of a medieval courtyard?

The purpose of a medieval courtyard was to serve as a central gathering space within a castle or manor, providing light and air to surrounding rooms. It often functioned as a hub for daily activities, including social interactions, markets, or even livestock management. Additionally, courtyards offered a level of security and could be used for training exercises or ceremonies. Overall, they played a crucial role in the social and functional dynamics of medieval life.