When hamlet is swearing his friend to secrecy after the ghosts appearance what happening at same time?

While Hamlet is swearing his friend Horatio to secrecy after the ghost's appearance, Claudius and Gertrude are arranging Hamlet's departure for England. They are unaware of Hamlet's encounter with the ghost and his subsequent determination to seek revenge. This creates a contrast between Hamlet's intense emotional state and the obliviousness of the royal court, foreshadowing the tragic events to come.