platform(A set of subsystems and interfaces that form a common structure from which a stream of derivative products can be efficiently developed and produced. A given product may have platform deliverables (building blocks) from several areas that define its implementation)
Windows Sensor and Location platform(A Windows platform that provides a standard way for device manufacturers to expose sensor devices to software developers and consumers, while providing developers with a standardized application programming interface (API) for working with sensors and sensor data. Examples of sensors include ambient light sensors, location sensors, motion detection sensors, etc)
Windows Azure Platform(An internet-scale cloud services platform hosted in Microsoft data centers that provides an operating system and a set of developer services, which can be used individually or together)