Core Viewpoint - The Ming Dynasty Zhangzhou kiln's maritime porcelain plate serves as a significant artifact for studying maritime history, showcasing the cultural and technological advancements of ancient Chinese navigation [4][21]. Group 1: Historical Significance - The porcelain plate is a key physical evidence for research on Ming Dynasty maritime history, reflecting the era's oceanic character and cultural exchanges [4][21]. - Zhangzhou port emerged as a crucial hub for foreign trade in the late Ming Dynasty, facilitating cultural interactions between the East and West, which contributed to the prosperity of Zhangzhou kiln [21][24]. Group 2: Artistic and Cultural Elements - The plate features distinct maritime motifs, including landscapes, ships, and mythical sea creatures, which represent a faithful record of maritime scenes and the lifestyle of seafaring communities [7][11]. - The central compass design on the plate, a representation of ancient navigation technology, indicates the sophistication of maritime practices during the Ming Dynasty [15][20]. Group 3: Technological Aspects - The compass on the plate is a genuine ancient navigation system, utilizing a 24-direction format based on Chinese astrology and philosophy, allowing for precise directional guidance [15][18]. - The plate's design incorporates elements of astronomy, with star patterns that served both navigational and cultural functions, reflecting the integration of science and art in ancient Chinese society [20][24]. Group 4: Export and Influence - Zhangzhou kiln porcelain became a major export product, significantly contributing to the "Maritime Silk Road" and reaching markets in Japan, Southeast Asia, and even Europe and the Americas [24][26]. - The unique characteristics of Zhangzhou kiln porcelain, including its "anti-counterfeiting" features, distinguish it from other kilns, highlighting its historical and cultural value [33].