There is no single official record defining the "Fatman" series, leading to several theories about its origin:
: This refers to the 7-Zip compressed file format, a common method for sharing large batches of data or images online. Context and Theories
: Some researchers suggest the series might be related to early digital mapping projects in Southeast Asia, which used similar naming conventions for regional data updates in the late 2000s.
: This indicates the geographic focus of the images or data.