Silk Road: An ancient network of trade routes connecting East Asia with Europe and Africa. It played a crucial role in fostering economic relationships between different civilizations.
Tribute System: A practice employed by Chinese dynasties where foreign states had to pay tribute (gifts) as a sign of submission or goodwill towards China. Zheng He's voyages were also aimed at expanding this system.
Treasure Ships: Massive ships used by Zheng He during his voyages. These ships were technologically advanced for their time and played a significant role in projecting Chinese naval power.