Figures of mobility, from nomads to flâneurs and tourists, have been used to describe both self and other in the social sciences and humanities for a long time. They act as a conceptual shorthand in contemporary scholarly debates, allowing social theorists to relate broad‐scale phenomena to the human condition. This repeated usage highlights how these figures have become ‘keywords’, in the sense given by Raymond Williams, which typify much of the vocabulary constituting the study of human mobility today. In this general introduction, I lay out the overall conceptual framework behind the various contributions to this special issue.