3. You arrive at the office … In the Office … While in a meeting, … When inspecting equipment, …
4. On the road … You arrive at the airport … You enter the airport waiting lounge, … You get on the rent-a-car bus, …
5. Documentation Specification describes how the technology works, i.e., the Bluetooth protocol architecture. Profiles describe how the technology is used, i.e., how different parts of the specification can be used to fulfill a desired function for a Bluetooth device.