The high-stakes meeting between US President Joe Biden and Chinese President Xi Jinping has marked a pivotal moment in their relations. Key takeaways from the four-hour summit held at a San Francisco estate include revived military communication, controlled fentanyl trafficking, and a united stance on artificial intelligence (AI).

President Biden expressed optimism, stating, "Today, based on many months of high-level diplomatic work, I believe we have made important progress."

The discussions resulted in a tentative agreement to restart military-to-military contacts, aiming to prevent conflicts, regulate the export of fentanyl precursors from China, and establish a collaborative approach to rapidly advancing AI. Both leaders pledged to remain in touch via phone as needed.

However, unresolved issues persist on Taiwan's status and economic competition. Biden called for China's respect for Taiwan's upcoming election, while Xi Jinping acknowledged the importance of peace but hinted at a forward movement in resolving the Taiwan issue, affirming China's commitment to unification.

Although topics like the Ukraine conflict and China's stance weren't explicitly disclosed, the summit's outcomes signify a potentially pivotal shift in the global geopolitical landscape.