GPM stands for "General Purpose Machine," which refers to a type of machine designed to perform a variety of tasks rather than being specialized for a single function. These machines are versatile and can be adapted for different applications, making them useful in various industries, including manufacturing and construction. In the context of software, GPM can also refer to "General Purpose Programming," which involves programming languages and tools that can be used for a wide range of applications. This flexibility allows developers to create software for different platforms and purposes, enhancing productivity and innovation in technology.