Belt and Road Initiative is about infrastructure investments by South-East Asian countries, rest of the Asia, Europe and Africa. It is an initiative taken by the Chinese Government and known as One Belt One Road (OBOR) initiative too. This was a measure taken to develop more and more connectivity among nations, and thus enhance a collaborative development of infrastructure.
The term Belt refers to the railway, roadway and overland transportation while the term Road refers to sea route transportation. A better transportation and infrastructure system, and cooperation between the countries is seen as a worldly progress by the nations involved in this measure.