Final answer:
The London suburbs are a geographic setting that refers to the residential areas on the outskirts of central London, focusing on location characteristics.
Step-by-step explanation:
London suburbs refer to a geographic setting. A suburb is an outlying district of a city, especially a residential one. Therefore, when we are discussing the London suburbs, we are referring to the residential areas that lie on the outskirts of central London. This setting is mainly concerned with the location and characteristics of these residential districts, distinguishing it as geographical rather than historical, physical, or ironic.