Belt and road initiative is a large-scale global development strategy and framework for international cooperation. As a research concept, it investigates the multifaceted implications of China's outward investment in infrastructure and connectivity projects across numerous countries, examining their economic, geopolitical, social, and environmental impacts. Key characteristics include its transcontinental scope, focus on physical and digital infrastructure, multi-sectoral nature encompassing trade and finance, and complex governance structures, making it a significant subject for scholarly inquiry across disciplines such as international relations, economics, geography, and development studies due to its potential to reshape global landscapes.